[Q] Battery life - Nexus 4 Q&A, Help & Troubleshooting

Hello everyone I hope I got the right forum
I have a problem with the new system update released
The new update did not help at all to my nexus
I ran out of battery really fast, before the update it was fine
Battery had stayed a long time
What should I do?

1headshot said:
Hello everyone I hope I got the right forum
I have a problem with the new system update released
The new update did not help at all to my nexus
I ran out of battery really fast, before the update it was fine
Battery had stayed a long time
What should I do?
Click to expand...
Click to collapse
Read this:
http://forum.xda-developers.com/showthread.php?t=2385843
To get battery like this:
http://forum.xda-developers.com/showpost.php?p=44364085&postcount=5089
:cyclops:

Galaxo60 said:
Read this:
http://forum.xda-developers.com/showthread.php?t=2385843
To get battery like this:
http://forum.xda-developers.com/showpost.php?p=44364085&postcount=5089
:cyclops:
Click to expand...
Click to collapse
A quick look through that thread shows that it is focused on problems relating to Google Services. Since the update, I too am having issues with the battery draining more quickly than it ever did before. However, it appears to be msm_hsic_host wakelock causing the problem. Google services are a very small part of my battery usage.
I have posted a couple times about it in various threads, but I haven't seen a fix that applies to 4.3.
The battery drain is out of hand. I love my N4, but this is a big turn off for me.
I have tried these configurations to make sure it wasn't an oddball app causing the problem -
Stock 4.3 with stock Kernel - no root/stock recovery - Only apps being the ones that load on a factory reset
Wiped all partitions and reloaded stock 4.3/gapps/no root/stock recovery
Stock 4.3/rooted/TWRP/Stock gapps
Stock 4.3/rooted/TWRP/gapps+ a handful of other apps (photobucket/es file explorer/bbs - essentially, my normal config)
Added note - I also have cell broadcasts of all types turned off.
All of the above combinations respond the same way in regard to battery drain overnight. 7-9 hours off the charger/no screen time nets me 25-30% loss of battery from a full charge. msm_hsic shows up in BBS with 1.75 to 2.5 hours of wake time and is the highest power consumer. Putting the phone in flight mode reduces power consumption to ~2% over the same 7-9 hour timeframe. Just turning wifi off doesn't change anything.
Ideas anyone?

Calebz said:
A quick look through that thread shows that it is focused on problems relating to Google Services. Since the update, I too am having issues with the battery draining more quickly than it ever did before. However, it appears to be msm_hsic_host wakelock causing the problem. Google services are a very small part of my battery usage.
I have posted a couple times about it in various threads, but I haven't seen a fix that applies to 4.3.
The battery drain is out of hand. I love my N4, but this is a big turn off for me.
I have tried these configurations to make sure it wasn't an oddball app causing the problem -
Stock 4.3 with stock Kernel - no root/stock recovery - Only apps being the ones that load on a factory reset
Wiped all partitions and reloaded stock 4.3/gapps/no root/stock recovery
Stock 4.3/rooted/TWRP/Stock gapps
Stock 4.3/rooted/TWRP/gapps+ a handful of other apps (photobucket/es file explorer/bbs - essentially, my normal config)
Added note - I also have cell broadcasts of all types turned off.
All of the above combinations respond the same way in regard to battery drain overnight. 7-9 hours off the charger/no screen time nets me 25-30% loss of battery from a full charge. msm_hsic shows up in BBS with 1.75 to 2.5 hours of wake time and is the highest power consumer. Putting the phone in flight mode reduces power consumption to ~2% over the same 7-9 hour timeframe. Just turning wifi off doesn't change anything.
Ideas anyone?
Click to expand...
Click to collapse
As far as I know, this wakelock is caused because of the usage of 3G, like browsing, syncing, or any other thing that consumes data. This drain for me is usually between 10%-15%. There is no way t completely get rid of it, because it is part of the Android system.
There are many kernels that tried to fix this, about stock image and JW branch I don´t know, but maybe you should try to install an AOSP variant, because AOSP has many bugs fixed.
Also I remember I read somewhere that also bad radio could be causing this kind of issues, so try to get latest radio/bootloader for 4.3.
Hope it helps.
:highfive:

Galaxo60 said:
As far as I know, this wakelock is caused because of the usage of 3G, like browsing, syncing, or any other thing that consumes data. This drain for me is usually between 10%-15%. There is no way t completely get rid of it, because it is part of the Android system.
There are many kernels that tried to fix this, about stock image and JW branch I don´t know, but maybe you should try to install an AOSP variant, because AOSP has many bugs fixed.
Also I remember I read somewhere that also bad radio could be causing this kind of issues, so try to get latest radio/bootloader for 4.3.
Hope it helps.
:highfive:
Click to expand...
Click to collapse
To avoid having loose ends out there (in case anyone finds this thread during a search) - The problem turned out to be the latest radio. Not my lack of it :lol:
After flashing back to the .48 radio, from the .84 radio - everything is back to normal. No more weird Android OS wakelocks. ~3-4% battery drain overnight instead of 20-30%
There are more and more people popping up on XDA with this problem. So far, all of them that I have seen are outside the US. A few have even discovered the same fix.
So - future person that finds this thread during a search, look into the possibility of flashing back to version .48 of the radio. Hopefully this saves someone the trouble of experimenting with a bunch of different ROMs and kernels.

Calebz said:
To avoid having loose ends out there (in case anyone finds this thread during a search) - The problem turned out to be the latest radio. Not my lack of it :lol:
After flashing back to the .48 radio, from the .84 radio - everything is back to normal. No more weird Android OS wakelocks. ~3-4% battery drain overnight instead of 20-30%
There are more and more people popping up on XDA with this problem. So far, all of them that I have seen are outside the US. A few have even discovered the same fix.
So - future person that finds this thread during a search, look into the possibility of flashing back to version .48 of the radio. Hopefully this saves someone the trouble of experimenting with a bunch of different ROMs and kernels.
Click to expand...
Click to collapse
I put your post into my thread for people looking for an answer to this wakelock. Hope you don´t mind. Credits to you are there.
http://forum.xda-developers.com/showthread.php?p=44122105
:fingers-crossed:

Related

Another Possible Battery Drain Solution?

We have yet another possible remedy for those of us experiencing wakelock/battery drain issues still. Read about it from someone on the bugtracker.
Try leaving your GPS set to on, rather than toggling it. I switched mine on this morning (yesterday, now) and now for the first time in over a month I have now had my Evo unplugged for 13 hours and still have 31% battery remaining after moderate usage today.
It seems that CM may be managing it better or something (someone will have to look into it if this proves successful for more people)
Give it a try and post your results here!
I have never turned off my GPS once since I had the phone in like 6 months. GPS is not the issue for me.
I've always found that about 2 weeks after flashing a new ROM, I start getting wake lock issues which I can never track down. They always resolved themselves after I flash a new ROM, but reappear about 2 weeks later again.
Rinse and Repeat.
The GPS-on fix makes it look like there's an issue with the network location. This would tie in to earlier reports. In this case, it would be best to turn off "Use wireless networks" from Settings > Locations and Security until this bug is fixed.
The two most common causes mentioned so far are network location issues and SMD_RPCCALL wakelock issues.
Click to expand...
Click to collapse
Taken from bugtracker
What PRI are you guys running? This is likely unrelated, but PRI 1.90 seems to cause wake lock (100% wake) for some.
Edit: BTW, for every post I read, reverting to 1.77 PRI solves the 100% wake issue.
Not sure, haven't flashed a sense ROM in awhile... I'll try to check when I get a chance
kevinbear said:
We have yet another possible remedy for those of us experiencing wakelock/battery drain issues still. Read about it from someone on the bugtracker.
Try leaving your GPS set to on, rather than toggling it. I switched mine on this morning (yesterday, now) and now for the first time in over a month I have now had my Evo unplugged for 13 hours and still have 31% battery remaining after moderate usage today.
It seems that CM may be managing it better or something (someone will have to look into it if this proves successful for more people)
Give it a try and post your results here!
Click to expand...
Click to collapse
You do realize that this makes no sense, don't you?
Not if something keeps trying to call on the GPS when it's off causing some sort of wakelock while it loops trying to get a GPS fix. Leaving it on allows CM6 to manage it or something. But it does seem to help.
nabbed said:
You do realize that this makes no sense, don't you?
Click to expand...
Click to collapse
You know there's a well-known bug with Sense ROMs and the HTC 4G widget that forces 4g into a scan loop when you try to toggle 4G off that absolutely _kills_ the battery in a few hours...
I've not tested his suggestion, but the community has found stranger things before.
Side note: before two days ago I _never_ ran wifi on ... but also never ran into a wakelock ... I've left my wifi on just over the weekend as I was playing with something completely unrelated ... maybe with your suggestion Ill just continue to leave it up and see if i run into this wake-lock issue.
I've never turned gps off, it's been on since I got the phone this summer. I think it's funny that one of the settings we see for gps says something about "may cause excessive use of batter" or whatever and fact is - gps on 100% of the time doesn't do ANYthing until an app needs it. It's not used at all. No gps icon, no nothing.
The 4g problem is a PITA but it doesn't drain the battery within a few hours. It draws a little ut unless someone had shown me and proven it to me.....I wouldn't have known. And even now that I do know and I know to reboot my phone after I use 4g, I haven't noticed a big gain in battery life. Leaving 4g ON after you leave a 4g area or no longer need it WILL drain your battery within a few hours. fact

Battery dying very quickly - what to do?

My Evo battery is draining at a rate that is all together too fast. I took it off the charger about 3.5 hours ago and it has drained about 30-40%. I have not made a call nor used the net at all save for the receipt of 3-4 emails. I had a rooted phone but I reset the phone back to complete unrooted stock. I have not even so much as installed an app. What can I do about this?
turn off your mobile data when not in use. This will save tremendous amounts of battery.
if you search the forums you should find countless threads on battery and how to find out what is draining your battery and to extend life.
not sure why you would unroot unless you were exchanging it at sprint store but it greatly limits what you can do to help prevent battery drain. If you dont want to mess with much jsut use a rooted stock rom and it is pretty much the same thing as being unrooted but you keep the extra rooted benefits.
your best bet on non rooted device make sure mobile data, 4g, auto orientation, bluetooth etc are turned off. do the HTC battery condition/charge trick. and turn off background sync.
my suggestion is to re root and look into undervolted kernels and many other battery saving tricks found using search!
hopefully it helps some.
I had the same problem OP.
Turns out my radios weren't update.
Head over to the developer section and download the newest radios and stuff.
I've seen significant improvement of my battery life by using Collin_ph Battery Tweak 1 that was offered by Myn's when I flashed his/her's rom. I had my BF take his Evo to work after he come home complaining that the charge would only last about an hour or two and behold, he got through the whole day without having to charge his battery. This is after listening to music at work for 8 hours also. I HIGHLY recommend this tweak for ROOTED PHONES as I and everyone else I've recommended loves their Evo now and have no complaints...I'm at work right now and I'm at 79% and when I usually get home the battery is either still green (full) or orange (med) charge. I'm not sure if this tweak can be used with other mods but I'm very happy with this tweak as it has made my phone perfect now~~
Could be a Rogue app running killing your battery or radios not updated like stated above.
I recently started having the same issue. Advice such as turning of data and the GPS aren't helpful since the device functioned fine with GPS and data on before. Also if the battery was draining at a slower rate on the current radio before, you shouldn't need to update it, should you?
Seems that either something is making the Evo use more juice than it was before or that the battery is not holding the same capacity it used to. For some reason Phone Idle and Cell Standby have been using quite a bit more juice than they used to.
I don't like some of the software mentioned to try and locate anything that could be using more juice since those programs seem to use quite a bit themselves. Either way, what could be doing it that would come up as Phone Idle or Cell Standby in the included battery monitor? Wouldn't anything else come up under Android System?
The battery draining that quickly is not normal even with background sync, GPS (idle), 4g, data, or anything else on. There is another issue which must be solved. To troubleshoot so far I've tried another battery (same thing happens) and now I'm trying with everything turned off. If I can isolate what was causing my sudden rapid battery drain, I'll update everyone. This just started a couple nights ago for me. I think I'm on the latest radio, but I'll check.
Last post sums up my problem perfectly. I have an extended battery that lasts half the time it has over the last 4 months. Started with the radio updates. running myk
Use the battery usage functions of 'spareparts' to determine what's consuming cpu or preventing the phone from sleeping.
Can't fix the problem until you've isolated what's at fault.
Turning off mobile data will indeed fix a problem of some app trying to access the network, but it won't solve the actual cause.
bcarter2000 said:
turn off your mobile data when not in use. This will save tremendous amounts of battery.
Click to expand...
Click to collapse
I think juice defender does this automatically when the screen is off.
In the case of my phone, and I believe the OP's, we don't have any rogue apps or things running in the background. I know this phone like the back of my hand. I have completely uninstalled unnecessary apps like facebook, twitter, all things like news and weather are on manual update, i don't keep 4g or gps on, and I use wifi at home. I turn off 3g in terrible reception areas. I'm not a new user who doesn't understand the basic ways to save a little battery. I'm pretty sure the OP isn't either by his post. I use my phone the same every day. My chinese extended battery would last me easily from morning to bedtime with 20 to 30 percent to spare. Now I can't get near that after the radio updates. Since it's been well known that something is weird with these current updates, I've downgraded to 1.77 to see if that helps. My phone was sleeping fine though, so I don't know how much it will help. Always some BS with this phone.
Log out of gtalk and latitude. Those two seem to kill battery.
Bielinsk said:
Log out of gtalk and latitude. Those two seem to kill battery.
Click to expand...
Click to collapse
I appreciate it. I really do. But that is exactly the things I'm saying are already off. GTalk is turned off immediately on my phone from the jump and latitude has never been opened. It's got to be radios. I guess I'm not really asking a question, I'm just telling the OP he isn't alone.
cruecu said:
I appreciate it. I really do. But that is exactly the things I'm saying are already off. GTalk is turned off immediately on my phone from the jump and latitude has never been opened. It's got to be radios. I guess I'm not really asking a question, I'm just telling the OP he isn't alone.
Click to expand...
Click to collapse
this is the thread with flashable .zips of alllll the radio updates ever out for the EVO.
http://forum.xda-developers.com/showthread.php?t=715485&highlight=radio
if you are having trouble after a radio update, just try some of these other radios and see if that helps
Your best bet would be to root your phone again and give one of the SBC kernels a shot. I'm running CM 6.1.2 along with Zendroid 1.1.0 BFS AVS SBC and I can easily get 16+ hours with HEAVY use. And when I say heavy use, I mean hundreds of sms, dozens of calls and lots of websurfing. You will love the SBC kernels. Give it a try.
PS. My name is HondaCop and I approve this message.
We can offer suggestions until we're blue in the face.
First off, the OP needs to provide specifics of what's installed on the device, including rom, kernel, radio, etc, not to mention the hardware version itself.
Assuming it's not the known pri /rom conflict, then determination needs to be made as to what's actually consuming cpu - see first sentence above.
Need to use a systematic approach to troubleshoot this, otherwise it's a waste of time.
hgelpke said:
My Evo battery is draining at a rate that is all together too fast. I took it off the charger about 3.5 hours ago and it has drained about 30-40%. I have not made a call nor used the net at all save for the receipt of 3-4 emails. I had a rooted phone but I reset the phone back to complete unrooted stock. I have not even so much as installed an app. What can I do about this?
Click to expand...
Click to collapse
That sounds like a very weak cellular signal is forcing the radio to keep searching for it, draining the battery very quickly.
One way to somewhat alleviate this problem is to force roaming, to connect to a provider with a better signal.
"Roam Control" app does this (Market).
gpz1100 said:
We can offer suggestions until we're blue in the face.
First off, the OP needs to provide specifics of what's installed on the device, including rom, kernel, radio, etc, not to mention the hardware version itself.
Assuming it's not the known pri /rom conflict, then determination needs to be made as to what's actually consuming cpu - see first sentence above.
Need to use a systematic approach to troubleshoot this, otherwise it's a waste of time.
Click to expand...
Click to collapse
Dude....This is the best post in this thread...
Sometimes I wonder how far android users went in school....is scientific method lost these days? By no means am I qualified to help here..so my flamesuit is on for the post but damn.."my ****z broke...halp" won't cut it in a developer forum...
"it works on my machine"....words to die by.
d3x502 said:
....is scientific method lost these days?
Click to expand...
Click to collapse
What's that??????
d3x502 said:
Dude....This is the best post in this thread...
Sometimes I wonder how far android users went in school....is scientific method lost these days? By no means am I qualified to help here..so my flamesuit is on for the post but damn.."my ****z broke...halp" won't cut it in a developer forum...
"it works on my machine"....words to die by.
Click to expand...
Click to collapse
Actually,
some android users looked at the posting date, saw that the op hasn't updated in over 24 hours, wanted to complain about it, decided against it, posted quickly the most useful idea they had.
All that while doing real science.

[Q] Battery drain/idle/standby?

Right, no matter what, I'm getting battery drain in stand by. No sync, Google now disabled, no mail, no location reporting/history etc. and yet I'm getting weird battery readings. In the pic below you can see, I'll let it idle for a couple of hours and the battery will drain. Then I'll use the n10 and the levels will spike. BBS shows that the n10 is awake for about 4 hours but the partial wakelock and kernel wakelock nothing untoward. I'm reluctant to root as I dont want to void my warranty but is any one facing similar issues?
yets said:
I'm reluctant to root as I dont want to void my warranty but is any one facing similar issues?
Click to expand...
Click to collapse
You can unroot and relock your device. Rooting should not be a warrenty issue.
See: " [NEXUS 10 TOOLKIT V1.3.0] Drivers, Backup, Unlock, Root, Flash, Mods + MUCH MORE"
http://forum.xda-developers.com/showthread.php?t=2001868&highlight=unroot
Features mentioned among many: "* Unlock/Re-Lock your Bootloader"
You will not lose warranty just by rooting the tablet. Nexus devices are pretty much made to be unlocked and Google provides the tools themselves to do the unlocking. I have heard of other people get warranty stuff done even while their tablet was rooted. This is because warranty is for hardware defects, which are not caused by root. If you have software problems then yes, those are to do with rooting. But normally you can fix software issues simply by finding a better ROM that has more bugfixes.
Also, that is some really terrible battery life. My tablet loses 1% every 7-9 days while idle. CM10.1 ROM from CraigGomez (November build) with KTManta kernel.
EniGmA1987 said:
You will not lose warranty just by rooting the tablet. Nexus devices are pretty much made to be unlocked and Google provides the tools themselves to do the unlocking. I have heard of other people get warranty stuff done even while their tablet was rooted. This is because warranty is for hardware defects, which are not caused by root. If you have software problems then yes, those are to do with rooting. But normally you can fix software issues simply by finding a better ROM that has more bugfixes.
Also, that is some really terrible battery life. My tablet loses 1% every 7-9 days while idle. CM10.1 ROM from CraigGomez (November build) with KTManta kernel.
Click to expand...
Click to collapse
Is it worth getting in touch with Google? I've had it since just after xmas? I'm about to factory reset it for the second time this week.
Why do you need to factory reset it so often?
I would root it, install a custom kernel, and run better battery stats to try and see what exactly is causing such a huge idle drain.
EniGmA1987 said:
Why do you need to factory reset it so often?
I would root it, install a custom kernel, and run better battery stats to try and see what exactly is causing such a huge idle drain.
Click to expand...
Click to collapse
I'd rather not factory restore it, this is my second time doing it. I'm starting from the beginning like it's a fresh install, just using the Google apps only to see if there are issues there and then adding more until I'm comfortable.
I want to root the tablet only as a last resort as I'm attempting to see if it is an app or it is the battery. I'd rather not brick it or void warranty only to find out it is the battery and then be unable to get a replacement.
There must be somebody that has similar problems?
So, factory reset, this is after 24 hours; This is not kosher. Stock apps. Only thing syncing if you can call it that was Google now. No syncing or anything. Purely from stock apps with updates. Stock battery graph says that it's not awake but stats say it's awake for 19 hours.This doesn't even come close to advertised idle/stand by time. Surely I should return it? I was adamant that I wouldn't complain but I didn't pay so much money for it to come out with this as stock performance.
That is massive usage from Android OS. Something in there is causing a wakelock, which means it is probably a software problem. If you were rooted and had better battery stats installed then it would tell you exactly what the wakelock was from. The built in Android battery info just gives it a generic "Android OS". It looks to me like that sudden sharper downhill slope is the point which the wakelock started. Although that is a bit steep drain before that point too. The point before the sharper decline section looks closer to a non-deep sleeping device stuck at its lowest frequency, but it had to have been sleeping if the device says it was only awake for 14 hours. Still, that 14 hours is a wakelock. Probably from the kernel. Cant say what it is exactly unless you have a better app installed
The Google Services thing is probably Google Now sucking up battery. It tends to do that.
You can either continue to diagnose this problem from the software/firmware or you can just send it back if you want.
EniGmA1987 said:
That is massive usage from Android OS. Something in there is causing a wakelock, which means it is probably a software problem. If you were rooted and had better battery stats installed then it would tell you exactly what the wakelock was from. The built in Android battery info just gives it a generic "Android OS". It looks to me like that sudden sharper downhill slope is the point which the wakelock started. Although that is a bit steep drain before that point too. The point before the sharper decline section looks closer to a non-deep sleeping device stuck at its lowest frequency, but it had to have been sleeping if the device says it was only awake for 14 hours. Still, that 14 hours is a wakelock. Probably from the kernel. Cant say what it is exactly unless you have a better app installed
The Google Services thing is probably Google Now sucking up battery. It tends to do that.
You can either continue to diagnose this problem from the software/firmware or you can just send it back if you want.
Click to expand...
Click to collapse
Thanks. To be fair I think if purchasing such an item, you shouldn't have to become a developer/hacker to study such an issue. Haha! I've used Google now when I first got the tablet and not understanding what it was had it enabled and get there was no battery drain to such an extent.
Fair play to Google, they've agreed to send me out a new one. It reached a point where I couldn't enjoy using the tablet and everything was a test to see what could be causing the issue.
I won't bad mouth Google, as I understand that things do become faulty and these items are complex enough. On another note I called up the RMA team in American (I googled the wrong number) and the two ladies were more than helpful. I don't know how anyone has problems with them. Maybe it was my British accent that did it!
So, I've got a replacement and so far it is not displaying the same issues. It got me thinking about when my original problem started and I think it started when it was updated to 4.2.2. This model comes stock 4.2.1 and it's prompting me to update. Should I bother? Was I just unlucky? Is there a specific way to ensure that the update is a clean update?
yets said:
... This model comes stock 4.2.1 and it's prompting me to update. Should I bother? ...
Click to expand...
Click to collapse
Upgrade to 4.2.2 as it's more stable, especially with the Chrome browser but there are additional bug fixes that address overall stability. A rule of thumb is to install new apps one at a time so you can judge if it causes instability.
You can also install, free from the playstore, "Bootlog Uptime" which tracks crashes and sometimes provides crash related information from the Android logs. It is very handy when you are trying to determine the cause of a force close, freezing or general odd behaviour.
3DSammy said:
Upgrade to 4.2.2 as it's more stable, especially with the Chrome browser but there are additional bug fixes that address overall stability. A rule of thumb is to install new apps one at a time so you can judge if it causes instability.
Click to expand...
Click to collapse
Yeah, I kind of did that when I factory reset it, I just loaded up the stock apps, desynced everything, logged out of everything that wouldn't be used, disabled Google Now and location settings, rebooted and it was still iffy. Before I sent it back I left it for a day and the battery stats were going up and down like a roller coaster. Could it of been a faulty battery? I would like to update but I'm so wary of the problem coming back.
You can also install, free from the playstore, "Bootlog Uptime" which tracks crashes and sometimes provides crash related information from the Android logs. It is very handy when you are trying to determine the cause of a force close, freezing or general odd behaviour.
You may have been unlucky. I have had great battery on all 4.2.2 some ROMs/kernels make a difference.
Sent from my Nexus 10 using XDA Premium HD app
So, after a few days my new Nexus 10 started displaying exactly the same issues as before and I had just about ruled everything out. I used BBS again and looked at the stats, with PowerManagerService being the main culprit but the numbers in Partial wake locks just didn't match. There were very little wakelocks but something was still draining. I looked at the CPU and for most of the CPU was running at 200hz in deep sleep. I just couldn't figure it out and looked at the Running apps and there was only a few but one remained constant throughout all my tests and that was the Settings app. I took a punt and stopped it and cleared it from recent apps. Lo and Behold, the drain has disappeared and the battery doesn't drop at all in idle.
Excuse my noobiness, I didn't know that Android treated Settings as a separate app? On my Samsung S3, this isn't the case, once you leave settings it closes it and suspends it causing no drain.
200MHz in deep sleep doesnt make sense. Cause deep sleep is different than a MHz value. If you are mostly on 200MHz then that means something on the tablet is not letting you sleep properly.
EniGmA1987 said:
200MHz in deep sleep doesnt make sense. Cause deep sleep is different than a MHz value. If you are mostly on 200MHz then that means something on the tablet is not letting you sleep properly.
Click to expand...
Click to collapse
Sorry, didn't make myself clear. BBS was saying that tablet was running at 200mhz preventing it from deep sleep and that thing causing it was having the System Settings app not closing. Hope that makes sense and helps people in the future.
Well that is certainly an interesting find. If you restart the tablet and dont open settings does the tablet sleep fine?
Yes, if you restart it and avoid going into settings, it sleeps happily only waking sync if you have any. It has been idling for about 10 hours without dropping.
I've attached a picture and if you compare to the one I posted at the start of the thread you can see a clear difference. There was a point where I forgot to close Settings and you can see the drain (middle of the graph).
Somehow I don't think this is normal. It dropped almost 30% at home while I was at work. Google now is disabled but groove IP running. No apps that should be sucking battery, but its mostly the android OS. Any thoughts?
Sent from my Nexus 10 using xda app-developers app
Probably the exact same thing as the guy above me. Doesnt look like you are deep sleeping one bit.

[Q] [SOLVED, kinda] Weird battery drain for no apparent reason

Hello all,
I own an international N9005.
Up until recently, I used the stock Samsung ROM with good battery life.
A couple of weeks ago, with no apparent reason, I started getting horrid battery life - in access of 10% drop -per hour- in idle (as opposed to 1-3%).
I removed more-or-less everything, disabled more-or-less everything but nothing seems to work.
Got root (there goes the warranty) tried looking for Wake-locks and nothing. The Note3 is 97% (!!!) awake even with everything disabled, and in the wake looks screen both user and kernel I only see 1-2 minutes (!).
Tried resetting the ROM, tried installing other custom ROMs (X-Note, Omega, etc). Nothing seems to work.
Currently I'm running Omera v20, with *zero* applications installed (including all the Google and Samsung applications beyond Google Playstore) and all external services (location, WIFI, et-al) disabled, my note 3 is still 95-99% awake, and the list of wake lockers is, errr, empty.
FWIW I'm ~100m from the nearest cell tower.
EDIT: According to battery meter, Android OS is keeping the phone up.
Any ideas?
- Gilboa
gilboa said:
Hello all,
I own an international N9005.
Up until recently, I used the stock Samsung ROM with good battery life.
A couple of weeks ago, with no apparent reason, I started getting horrid battery life - in access of 10% drop -per hour- in idle (as opposed to 1-3%).
I removed more-or-less everything, disabled more-or-less everything but nothing seems to work.
Got root (there goes the warranty) tried looking for Wake-locks and nothing. The Note3 is 97% (!!!) awake even with everything disabled, and in the wake looks screen both user and kernel I only see 1-2 minutes (!).
Tried resetting the ROM, tried installing other custom ROMs (X-Note, Omega, etc). Nothing seems to work.
Currently I'm running Omera v20, with *zero* applications installed (including all the Google and Samsung applications beyond Google Playstore) and all external services (location, WIFI, et-al) disabled, my note 3 is still 95-99% awake, and the list of wake lockers is, errr, empty.
FWIW I'm ~100m from the nearest cell tower.
EDIT: According to battery meter, Android OS is keeping the phone up.
Any ideas?
- Gilboa
Click to expand...
Click to collapse
Buy a new battery, maybe this will solve the problem...
gilboa said:
Hello all,
I own an international N9005.
Up until recently, I used the stock Samsung ROM with good battery life.
A couple of weeks ago, with no apparent reason, I started getting horrid battery life - in access of 10% drop -per hour- in idle (as opposed to 1-3%).
I removed more-or-less everything, disabled more-or-less everything but nothing seems to work.
Got root (there goes the warranty) tried looking for Wake-locks and nothing. The Note3 is 97% (!!!) awake even with everything disabled, and in the wake looks screen both user and kernel I only see 1-2 minutes (!).
Tried resetting the ROM, tried installing other custom ROMs (X-Note, Omega, etc). Nothing seems to work.
Currently I'm running Omera v20, with *zero* applications installed (including all the Google and Samsung applications beyond Google Playstore) and all external services (location, WIFI, et-al) disabled, my note 3 is still 95-99% awake, and the list of wake lockers is, errr, empty.
FWIW I'm ~100m from the nearest cell tower.
EDIT: According to battery meter, Android OS is keeping the phone up.
Any ideas?
- Gilboa
Click to expand...
Click to collapse
Indexing your external SD maybe?
You could try the link in my sig and try again for your custom ROM.
First, thanks all for taking the time to answer.
I'm thinking about getting a new battery, but my gut feeling is that its not the source of amazing battery drain - ~20%/h while completely [!] idle (auto-sync/location/etc completely off).
I've attaching /d/wakeup_source in excel format sorted by count and total time - in-case someone has any idea what's completely broken.
As far as I can see, qpnp-vadc-ebd30a00, sec-battery-monitor, mmc0:0001:2 are the main culprits.
nicholaschum,
Before I attempt a complete wipe (as opposed to the normal wipe data / cache), how can I detect if someone is indexing my sdcard? (which may account for the mmc0:0001:2 in the wake lock dump).
- Gilboa
I know this is a long shot but try turning off developer options if you have it turned on(especially force gpu rendering). Somehow I found out that when I turned it on and the screen is idle. I get a battery drain. Not as big as yours. But not really sure because if I use the phone, the battery is actually pretty great(an hour of screen time is about 10% even more with internet apps like facebook youtube chrome etc.).
Clear cache. I know this is too common but it actually works for a lot of people.
Lastly, try airplane mode overnight and see if it doesn't drain. It might be your network that is causing the drain.
gilboa said:
First, thanks all for taking the time to answer.
I'm thinking about getting a new battery, but my gut feeling is that its not the source of amazing battery drain - ~20%/h while completely [!] idle (auto-sync/location/etc completely off).
I've attaching /d/wakeup_source in excel format sorted by count and total time - in-case someone has any idea what's completely broken.
As far as I can see, qpnp-vadc-ebd30a00, sec-battery-monitor, mmc0:0001:2 are the main culprits.
nicholaschum,
Before I attempt a complete wipe (as opposed to the normal wipe data / cache), how can I detect if someone is indexing my sdcard? (which may account for the mmc0:0001:2 in the wake lock dump).
- Gilboa
Click to expand...
Click to collapse
Hi, basically just check your phone using BBS (BetterBatteryStats), and see which individual process is eating up your battery.
Graffiti Exploit said:
I know this is a long shot but try turning off developer options if you have it turned on(especially force gpu rendering). Somehow I found out that when I turned it on and the screen is idle. I get a battery drain. Not as big as yours. But not really sure because if I use the phone, the battery is actually pretty great(an hour of screen time is about 10% even more with internet apps like facebook youtube chrome etc.).
Click to expand...
Click to collapse
I had the developer options off and on. Didn't seem to help.
Clear cache. I know this is too common but it actually works for a lot of people.
Lastly, try airplane mode overnight and see if it doesn't drain. It might be your network that is causing the drain.
Click to expand...
Click to collapse
If the current state doesn't hold (see below), I'll give it a try. Good thinking
nicholaschum said:
Hi, basically just check your phone using BBS (BetterBatteryStats), and see which individual process is eating up your battery.
Click to expand...
Click to collapse
Already installed - together with WakeLockDetector.
Short update, out of pure desperation I completely wiped the phone (including sdcard), tried installing stock ROM and, err, Odin failed. Managed to get CWM running again and installed the latest CM nightly.
...
As weird as it sounds, going from NF4 based ROMs (including stock) to CM nightly dropped to idle battery usage to ~2-6%/h, a huge drop from ~20%/h.
I'll update and mark resolved if this situation holds (crosses fingers).
- Gilboa
gilboa said:
I had the developer options off and on. Didn't seem to help.
If the current state doesn't hold (see below), I'll give it a try. Good thinking
Already installed - together with WakeLockDetector.
Short update, out of pure desperation I completely wiped the phone (including sdcard), tried installing stock ROM and, err, Odin failed. Managed to get CWM running again and installed the latest CM nightly.
...
As weird as it sounds, going from NF4 based ROMs (including stock) to CM nightly dropped to idle battery usage to ~2-6%/h, a huge drop from ~20%/h.
I'll update and mark resolved if this situation holds (crosses fingers).
- Gilboa
Click to expand...
Click to collapse
I heard there were problems with NF4 battery. But I haven't been on TW since ND4. No matter what on Note 3 TW the battery sucks. AOSP is great. But actually S5 port has the best battery.
Solved, at least for now.
nicholaschum said:
I heard there were problems with NF4 battery. But I haven't been on TW since ND4. No matter what on Note 3 TW the battery sucks. AOSP is great. But actually S5 port has the best battery.
Click to expand...
Click to collapse
I use Nova (and not TW)
Either way, latest nightly seems to solve the battery drain problem completely - using the same Nova and system configuration (widgets, active syncs, etc). Currently I'm at ~1.5-0.8%/h when idle with no issues going into deep sleep.
Seems that my specific model really dislikes NF4.
Thanks again for trying to help.
This thread has been quite helpful as I was suffering with a Battery Drain after the NF4 Upgrade.
Planning to go back to ND5, which was the last stable version.
JazonX said:
This thread has been quite helpful as I was suffering with a Battery Drain after the NF4 Upgrade.
Planning to go back to ND5, which was the last stable version.
Click to expand...
Click to collapse
I was thinking about doing the same, but in the CM 11 runs circles around both NF4 (duh!) and my previous ROM (not sure which revision it was) - plus I can actually get 2 days of standby time, even with the old batteries, so I'll stick with CM 11 for now.
- Gilboa
gilboa said:
I was thinking about doing the same, but in the CM 11 runs circles around both NF4 (duh!) and my previous ROM (not sure which revision it was) - plus I can actually get 2 days of standby time, even with the old batteries, so I'll stick with CM 11 for now.
- Gilboa
Click to expand...
Click to collapse
CM11 is not an option for me. No 4k Video Recording, Worse Camera than TW, S-Pen Functions Removed... Nope. Cant survive with CM11.
JazonX said:
CM11 is not an option for me. No 4k Video Recording, Worse Camera than TW, S-Pen Functions Removed... Nope. Cant survive with CM11.
Click to expand...
Click to collapse
I can relate.
Good luck, and post if you find a solution (in-case I decide to switch back to Samsung based).

Android OS consuming huge amount of battery

hi guys first of all i apologize for this post not having detailed info such as ss from BBS,GSAM and WLD and will post them later !!
and as always i guess with most battery related problems it happened suddenly and i really mean suddenly the day before yesterday everything was perfectly fine and i didn't have that ridiculous battery drain !!
i woke up yesterday only to find out that Android OS is taking more than 50% of battery usage with a drain like 20% over night
restarted many times and by the end of the day i installed GSAM and WLD (wakelock detector)
froze most of apps including the ones i installed recently but i didn't install that battery hog apps (nothing unusual) and also they didn't appear in partial wakelocks section of BBS
btw i don't use any fake battery extender tools or memory boosters it's just Greenify
i observed that sometimes when i unlock my device (i use knock code btw if that matter!!) wifi gets disconnected and reconnect again (wifi icon disappear and re-appear again in 3 secs or so)
i'll upload ss in a couple of mins
thank you
Edit: SS Added
and notice how it drained 5% in just 40 mins (20 mins SOT) !!!
ADM!RAL said:
hi guys first of all i apologize for this post not having detailed info such as ss from BBS,GSAM and WLD and will post them later !!
and as always i guess with most battery related problems it happened suddenly and i really mean suddenly the day before yesterday everything was perfectly fine and i didn't have that ridiculous battery drain !!
i woke up yesterday only to find out that Android OS is taking more than 50% of battery usage with a drain like 20% over night
restarted many times and by the end of the day i installed GSAM and WLD (wakelock detector)
froze most of apps including the ones i installed recently but i didn't install that battery hog apps (nothing unusual) and also they didn't appear in partial wakelocks section of BBS
btw i don't use any fake battery extender tools or memory boosters it's just Greenify
i observed that sometimes when i unlock my device (i use knock code btw if that matter!!) wifi gets disconnected and reconnect again (wifi icon disappear and re-appear again in 3 secs or so)
i'll upload ss in a couple of mins
thank you
Edit: SS Added
and notice how it drained 5% in just 40 mins (20 mins SOT) !!!
Click to expand...
Click to collapse
Little more details about rom,kernel but wifi is destroying your battery,that is for sure. It's waking the phone thousands of time as you can see yourself
Sent from my LG-D802 using Tapatalk
Stevica Smederevac said:
Little more details about rom,kernel but wifi is destroying your battery,that is for sure. It's waking the phone thousands of time as you can see yourself
Sent from my LG-D802 using Tapatalk
Click to expand...
Click to collapse
yea i noticed that i read about something related to wifi driver issue idk
thx for reply tho and for my device it's stock D800y20 rom just rooted and even with stock recovery if it matter
This has started for me today also! Not sure what is causing it but I was fine prior to today. Maybe its a google Play services update?
keeepinitgansta said:
This has started for me today also! Not sure what is causing it but I was fine prior to today. Maybe its a google Play services update?
Click to expand...
Click to collapse
idk but last google play service update was 10 days ago here !!
ADM!RAL said:
hi guys first of all i apologize for this post not having detailed info such as ss from BBS,GSAM and WLD and will post them later !!
and as always i guess with most battery related problems it happened suddenly and i really mean suddenly the day before yesterday everything was perfectly fine and i didn't have that ridiculous battery drain !!
i woke up yesterday only to find out that Android OS is taking more than 50% of battery usage with a drain like 20% over night
restarted many times and by the end of the day i installed GSAM and WLD (wakelock detector)
froze most of apps including the ones i installed recently but i didn't install that battery hog apps (nothing unusual) and also they didn't appear in partial wakelocks section of BBS
btw i don't use any fake battery extender tools or memory boosters it's just Greenify
i observed that sometimes when i unlock my device (i use knock code btw if that matter!!) wifi gets disconnected and reconnect again (wifi icon disappear and re-appear again in 3 secs or so)
i'll upload ss in a couple of mins
thank you
Edit: SS Added
and notice how it drained 5% in just 40 mins (20 mins SOT) !!!
Click to expand...
Click to collapse
Hello,
I have at 80% the same problem, I loose 7-10% of battery per hours, without SIM, wifi, bluetooth...
I already tried most of all roms, kernel, try all cpu governor.
If you want to see my topic : http://forum.xda-developers.com/lg-g2/help/lg-g2-d802-battery-draining-5-0-2-t3256313/
If you are ready to dismantlle the phone, do it, and see if there is a problem inside. I hope you will resolve your problem and tell me if one day you gonna have a better battery
Dlazzy said:
Hello,
I have at 80% the same problem, I loose 7-10% of battery per hours, without SIM, wifi, bluetooth...
I already tried most of all roms, kernel, try all cpu governor.
If you want to see my topic : http://forum.xda-developers.com/lg-g2/help/lg-g2-d802-battery-draining-5-0-2-t3256313/
If you are ready to dismantlle the phone, do it, and see if there is a problem inside. I hope you will resolve your problem and tell me if one day you gonna have a better battery
Click to expand...
Click to collapse
yea almost identical problem
i did tot reinstall and see how things go !!
sadly nothing changed and wifi still eats huge amount of battery idk how did this happen
well i'll update thread if anything changed
peace out guys
I had the same problem with battery drain(although not as severe) along with huge data consumption when using a significantly modified(i.e. heavy debloat and ota disabled) rooted stock rom. I tried a few customs roms and dorimanx kernel(not at the same time), and even though battery drain wasn't as bad, they were are waaaay to buggy to be used everyday(especially the dorimanx kernel, it's really bad).
Just last week I tot back to KK and ota updated to the latest LP rom(lost root unfortunately). Then I uninstalled/disabled every app I could/needed. Everything is very fast, smooth, and stable again. I now lose 1-2% every 8hrs in standby with syncing and wifi/data enabled, bluetooth and nfc disabled. I regularly get 5-6hrs sot over 48hrs with moderate use and brightness on auto.
I do have a new battery though - my old one( came with my "refurbished" phone from freedompop) gave me 2-3hrs of sot - but that was when I first got it and before I started modifying anything.
stan54 said:
I had the same problem with battery drain(although not as severe) along with huge data consumption when using a significantly modified(i.e. heavy debloat and ota disabled) rooted stock rom. I tried a few customs roms and dorimanx kernel(not at the same time), and even though battery drain wasn't as bad, they were are waaaay to buggy to be used everyday(especially the dorimanx kernel, it's really bad).
Just last week I tot back to KK and ota updated to the latest LP rom(lost root unfortunately). Then I uninstalled/disabled every app I could/needed. Everything is very fast, smooth, and stable again. I now lose 1-2% every 8hrs in standby with syncing and wifi/data enabled, bluetooth and nfc disabled. I regularly get 5-6hrs sot over 48hrs with moderate use and brightness on auto.
I do have a new battery though - my old one( came with my "refurbished" phone from freedompop) gave me 2-3hrs of sot - but that was when I first got it and before I started modifying anything.
Click to expand...
Click to collapse
How is dorimanx kernel bad? How many user downloads he has,lots and lots then are we thousands of user wrong using a bad kernel, come on . Maybe it didnt work for you. But out of those thousands of users cant be wrong. If it was that bad no one would download. Just saying , you should just say it didnt work for you.
stan54 said:
I had the same problem with battery drain(although not as severe) along with huge data consumption when using a significantly modified(i.e. heavy debloat and ota disabled) rooted stock rom. I tried a few customs roms and dorimanx kernel(not at the same time), and even though battery drain wasn't as bad, they were are waaaay to buggy to be used everyday(especially the dorimanx kernel, it's really bad).
Just last week I tot back to KK and ota updated to the latest LP rom(lost root unfortunately). Then I uninstalled/disabled every app I could/needed. Everything is very fast, smooth, and stable again. I now lose 1-2% every 8hrs in standby with syncing and wifi/data enabled, bluetooth and nfc disabled. I regularly get 5-6hrs sot over 48hrs with moderate use and brightness on auto.
I do have a new battery though - my old one( came with my "refurbished" phone from freedompop) gave me 2-3hrs of sot - but that was when I first got it and before I started modifying anything.
Click to expand...
Click to collapse
Can you tell us what app have you uninstalled and disable ?
What have you debloat ?
Thank you very much
My G2 (vs980) has also been suffering from a sudden battery drain. Android OS and Android System seem to be the problem. They are now second and third on the list of battery usage, after the screen. Before now, they were never that high on the list. I noticed this last weekend, when I kdz to the latest update for the vs980, which is 3AA. After noticing this, I flashed the xceed kernel, then cloudy with dorimanx kernel, and the battery drain continued. I even kdz back to kitkat, still the same, then I flashed AICP 11, and still the same battery drain by Android OS and system. Finally, I restored a backup of stock lollipop 39A but, the issue continued so I turned on airplane mode and it seems to help a bit. I still notice battery life isn't the same as before. The os and system still drain more than usual even on airplane mode.
Kind of glad to hear I'm not the only one with this issue. I don't think I need a new battery, since I bought the phone new in April 2015 from Bestbuy.
Also Gsam, shows the temperature of phone between 80°-90°F, where before it would be in the low to mid 70s. One time, it even got up to 104°F, funny thing is, it doesn't even feel that hot in my hand.
Hopefully, we can find out what's causing this because I really liked the battery life on this phone. Even when people complained about the battery life being worse on 5.0.2, I was pretty happy with it. All my previous phones can't compare to the g2. Now I feel like upgrading though lol.
Sent from my VS980 4G using Tapatalk
raptorddd said:
How is dorimanx kernel bad? How many user downloads he has,lots and lots then are we thousands of user wrong using a bad kernel, come on . Maybe it didnt work for you. But out of those thousands of users cant be wrong. If it was that bad no one would download. Just saying , you should just say it didnt work for you.
Click to expand...
Click to collapse
When I tried the version that was out a month or two ago it wasn't nearly as smooth as stock, even after conservatively messing with the kernel app settings. The worst was that it also cut out tethering and my flashlight when the screen shut off. Maybe the recent updates have fixed some of the issues, but I doubt it. Could be that he doesn't have access to the sprint variant which I have...
Either way, just because 'thousands' of people use it doesn't necessarily mean that it's good - 99.9% of those users have no idea how to code or how a kernel is written. Their knowledge goes as far as following picture guides online - which a 5 years old could do. Just look at the most recent change log - those 'fixes' were to glaringly huge problems that shouldn't have been made in the first place and people were blissfully using it the whole time. Think about how many thousands of other bugs their must be. Not to mention hacking up code made by professionals at huge companies could lead to many other problems. Obliviously the stock kernel has bugs as well, but it works and is fast and stable so I see no need for using a hacked together kernel made by one amateur that doesn't even have my version of the phone to test it on. I wanted it to be good - which Is why I went to the trouble of installing it, but it's definitely NOT.
Dlazzy said:
Can you tell us what app have you uninstalled and disable ?
What have you debloat ?
Thank you very much
Click to expand...
Click to collapse
I uninstalled ALL of the stock apps that can be uninstalled. The ones I disabled are aosp keyboard, app updates, browser, calendar, cloud print, favorite contact widget, google play books, games, movies & tv, newstand, google+, lg voice command speech pack, music, music(the widget - it always runs in the background even without being on the homescreen), notebook, polaris viewer, quicktranslator, swype, talkback, voice command. I would have liked to disable a few more but I'm not rooted so I couldn't.
I use nearly all of the google products like chrome,gmail, calendar, docs, keep, music, photos, news and weather,translate,etc...so having the stock lg ones enabled was redundant. I also only have the bare minimum of installed apps that I need. Nearly all of them are made my major corporations i.e Chase, BofA, ebay, paypal, freedompop, microsoft, swiftkey etc. I have NO games or any small apps that need a ton of permissions. The only small apps are feedly, print hammermill, privacy flashlight(240kb, no ads, no permissions) and bubble level(180kb, no ads, no permissions).
I also go through every settings in every app to make sure it's what I want. And I restart my phone every time I take it off the charger. IMO having a clean and no frills system that is set correctly is the key to performance and battery life.
I just want want to clarify that I average 4-5hrs per 1% in standby since it doesn't seem to hold as well as it gets closer to 0%.
theres this app that have lots of info on battery..
thx guys for adding your experience
i hoped moded kernels would've reduced that amount as they should have necessary drivers for wifi which was somehow got messed up but from your reply i guess i've to look somewhere else
idk how to put this, well this isn't a solution at all i actually didn't start working on it yet just thought to share what i found so far !!
so it's just a reference for any one whose luck was bad enough to have a wakelock like that !
1st of all in most cases neither the device nor it's battery are at fault *you need to understand that*
faulty battery doesn't show up kernel related wakelocks instead they drain without a reason so i hope ppl stop accusing battery in every battery drain thread!
2nd after understanding that you'll have to deal with the environment your phone is used in
to put it simple it's your router and all devices in your current network !! (idk though why not all devices get affected by that or why it just started now, tough luck yea)
those threads may help
http://forum.xda-developers.com/showpost.php?p=31975007&postcount=2
http://forum.xda-developers.com/google-nexus-5/help/getting-rid-wlanrxwake-wakelocks-t2519294
what i'll try to do is add an old access point to my router and connect my phone to it as i don't have a replacement router right now!!
i'll let you know if things were improved !
hey guys
i thought to share what i did so far and before i go on there is a bad news and a good news !!
i would start with the bad news first !
-no rom could solve this issue so you don't really need to format everything and start from scratch especially if you didn't mess around too much and you found it started suddenly like here, i've tried couple of roms including latest CM13 build it wasn't that bad but it didn't solve the drain that much either !!
-now some ppl may see this bad and some may don't care (which means good!!) google services are the ones responsible for this drain
well man you didn't come up with anything new and i see you've got a problem getting straight to the point besides you talk too much
i'm sorry
now you have to sacrifice your google services background sync including "GCM" if you are using any services similar to pushbullet or notification mirroring you'd understand why it's important
anyway if you are good with that you may install and yea it works with latest google play services
https://play.google.com/store/apps/details?id=com.playfulgeeks.gservicefix
and do as instructions (and believe it'll work if you did steps right)
if you prefer manual way then you'll need "app ops xposed module" and deactivate every "wake up" permission from google services
this guide may help but remember we don't have tools natively in our roms so don't bother downloading "shortcut maker" and go through your settings app to find "privacy guard" or "app ops" we don't have those natively like them
http://forum.xda-developers.com/oneplus-one/general/guide-google-play-services-battery-t2832525
i'll share some ss from stock battery stats
i'm sorry for my long post and i hope it'll help someone with same issue
idk if it solved issue completely but things are stabilized a lot now and i just lost 1% over night not 20% or 30% like before !!
and i'm using lollipop now so i guess it's not that bad for what i heard about bad lollipop battery since it's my first time trying it !!
and btw real SOT should be +40 mins so the real SOT is 2H-47M cuz i restarted my phone to apply that fix and for some reason battery stats doesn't stick between reboots !!
if anyone interested in trying that rom it's for D800 only btw and thx to @Swetnes for his work rom feels pretty stable and solid :good:
link: http://forum.xda-developers.com/att-g2/development/rom-t3152368/
good luck everyone

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