Database Users

Ridiculous ICS Battery Life

On Friday 1 June 2012, which is Friday last week at the time of writing, I gladly updated my phone through Kies after receiving word of the UK update being available from these very forums. Over the past week, I have noticed that my battery life is considerably worse since my upgrade to the new Android version and, when hearing of people hear who manage up to 36 hours of battery life through this phone, I really want to find out what they are doing exactly. At present, I have set the brightness at 1% (the minimum) and only up it to 40% when out in bright light conditions. At home, I also use the Screen Filter app which dims the screen further (I have this set to 50% of my already 1% brightness setting) and claims to improve battery on AMOLED devices. I also have Juice Defend Ultimate running on "Aggressive" mode along with the built-in power saving mode running as well. Yet, looking on CPU Spy, my phone still does not enter deep sleep which is needed to see a real improvement in battery life as far as I am aware. I have tried restarting the phone and also plugging it back into charge before unplugging it with the screen turned on as many have recommended. Any ideas what else I can do?

Uninstall juicedefender. Its not uncommon that it drains a lot more juice than it saves.

There is must be any Application that is hogging your battery.
Install better battery state... Find that application and uninstall that.
I am getting better battery life in ICS as compared to GB...

chintamanijaipuri said:
There is must be any Application that is hogging your battery.
Install better battery state... Find that application and uninstall that.
I am getting better battery life in ICS as compared to GB...
Click to expand...
Click to collapse
I have that app installed, but frankly have no idea how to use it very well. From what I can tell, it is Kik Messenger which is creating a partial wake lock (but I need that to send pictures to my friends), Juice Defender which is supposedly saving battery life and biggest partial wake lock is RILJ or something. But, that is caused from a weak signal and I get that regardless of network at my house. Besides moving, I cannot alter that. As for Juice Defender, I've heard nothing but positive reviews from it. My main aim is to get deep sleep working, but how?

Install Better Battery Stat and check what app is actually causing the problem :
http://forum.xda-developers.com/showthread.php?t=1179809
P_

pakalrtb said:
Install Better Battery Stat and check what app is actually causing the problem :
http://forum.xda-developers.com/showthread.php?t=1179809
P_
Click to expand...
Click to collapse
Read my previous post.

Brad387 said:
On Friday 1 June 2012, which is Friday last week at the time of writing, I gladly updated my phone through Kies after receiving word of the UK update being available from these very forums. Over the past week, I have noticed that my battery life is considerably worse since my upgrade to the new Android version and, when hearing of people hear who manage up to 36 hours of battery life through this phone, I really want to find out what they are doing exactly. At present, I have set the brightness at 1% (the minimum) and only up it to 40% when out in bright light conditions. At home, I also use the Screen Filter app which dims the screen further (I have this set to 50% of my already 1% brightness setting) and claims to improve battery on AMOLED devices. I also have Juice Defend Ultimate running on "Aggressive" mode along with the built-in power saving mode running as well. Yet, looking on CPU Spy, my phone still does not enter deep sleep which is needed to see a real improvement in battery life as far as I am aware. I have tried restarting the phone and also plugging it back into charge before unplugging it with the screen turned on as many have recommended. Any ideas what else I can do?
Click to expand...
Click to collapse
first ,samsung ICS is poorly made ,second you have a high chance of bricking if you wipe your phone with their official kernels so don't do it.
third ,like others said ,juice defender (and any app of this sort) doesn't work anymore (android 2.2 and up) so just uninstall it.
fourth ,not entering deep sleep is mostly due to a rouge app ,and since wiping is not an option for you you need to hunt it down manually ,use better battery status (learn how to use it!!!) and uninstall any apps you don't need.
fifth ,get some knowledge then get rid of crappy touchwiz ROM and install CM9 ,you'll see a huge improvement in terms of performance and battery life.

MR.change said:
first ,samsung ICS is poorly made ,second you have a high chance of bricking if you wipe your phone with their official kernels so don't do it.
third ,like others said ,juice defender (and any app of this sort) doesn't work anymore (android 2.2 and up) so just uninstall it.
fourth ,not entering deep sleep is mostly due to a rouge app ,and since wiping is not an option for you you need to hunt it down manually ,use better battery status (learn how to use it!!!) and uninstall any apps you don't need.
fifth ,get some knowledge then get rid of crappy touchwiz ROM and install CM9 ,you'll see a huge improvement in terms of performance and battery life.
Click to expand...
Click to collapse
Okay, well this is my first proper Android device (minus an old second-hand HTC Desire which had awful storage and I used for around one month). Secondly, I do know that other ROMs offer better performance and battery life but flashing them onto my phone is something I'm not very comfortable with and surely it would also void my warranty. I've only had the phone for four weeks and don't want it wrecked already.

Brad387 said:
Okay, well this is my first proper Android device (minus an old second-hand HTC Desire which had awful storage and I used for around one month). Secondly, I do know that other ROMs offer better performance and battery life but flashing them onto my phone is something I'm not very comfortable with and surely it would also void my warranty. I've only had the phone for four weeks and don't want it wrecked already.
Click to expand...
Click to collapse
I'm fairly new to android as well ,had an S2 (which was so good that I only rooted it ,no custom ROMs) for 5 months before the note and that's it.
but I rooted my note the first day I got it ,and installed a custom ROM less than a week later (was a total noob at the time but I read and learnt quickly) .
then CM9 arrived and I flashed that immediately and haven't regretted it so far.
but I had no warranty to begin with so.....
note that if there is something that can wreck your shinny new note ,then it's amsung official ICS update (read the announcement sticky on ICS and bricking) .

but how experts can explain the fact i face:
With every official and custom ROM i install, even CM9, my note keeps eating battery when in use plugged to the charger... it's unbelievable... I can't understand how it happens.
by the way: i always full wipe before installing any custom/official rom.

MR.change said:
I'm fairly new to android as well ,had an S2 (which was so good that I only rooted it ,no custom ROMs) for 5 months before the note and that's it.
but I rooted my note the first day I got it ,and installed a custom ROM less than a week later (was a total noob at the time but I read and learnt quickly) .
then CM9 arrived and I flashed that immediately and haven't regretted it so far.
but I had no warranty to begin with so.....
note that if there is something that can wreck your shinny new note ,then it's amsung official ICS update (read the announcement sticky on ICS and bricking) .
Click to expand...
Click to collapse
Well, is there nothing that I can do to trigger deep sleep or improve battery life on the stock ROM first of all? Secondly, how difficult is rooting and would that void any warranty?

Raphael Alo said:
but how experts can explain the fact i face:
With every official and custom ROM i install, even CM9, my note keeps eating battery when in use plugged to the charger... it's unbelievable... I can't understand how it happens.
by the way: i always full wipe before installing any custom/official rom.
Click to expand...
Click to collapse
it can't happen ,I'd say you either have a faulty battery\charger or there is someting wrong with the phone itself
the note charges while in use and connected to a charger.
Brad387 said:
Well, is there nothing that I can do to trigger deep sleep or improve battery life on the stock ROM first of all? Secondly, how difficult is rooting and would that void any warranty?
Click to expand...
Click to collapse
yes you can ,uninstall the violating apps ,learn to use better battery status ,you'll find that there is an app or two responsible for the wake locks ,thus preventing the phone from entering deep sleep.
or simply install every app and game that seems suspisious or poorly made ,and just keep the essential ones.
as for rooting ,it couldn't be simpler if done carefully and to the letter :
1.flash back to GB using PC ODIN
2.root it
3.backup your EFS folder (important , very important) search for it on the forums.
4. install custom ROMs (stay away from unsafe kernels please ,read the sticky thread about ICS kernels)
3. enjoy
use this guide
http://forum.xda-developers.com/showthread.php?t=1329360
yes there is an easy way to root while on stock ICS as per to this guide ,but I prefer you stay away from official ICS for the sole reason that it's dangerous.
remeber the key is to read and read and read ,in a month you could become a pro
on the other hand if you go the lazy way ,you could just end up with a bricked phone
also once you root ,your warranty is void ,though if you're careful you can return it to stock condition and they won't tell the difference
be careful

MR.change said:
fifth ,get some knowledge then get rid of crappy touchwiz ROM and install CM9 ,you'll see a huge improvement in terms of performance and battery life.
Click to expand...
Click to collapse
That's just wrong. CM9 battery drain with screen on is far, far worse than Stock ROM.

IndDoc said:
That's just wrong. CM9 battery drain with screen on is far, far worse than Stock ROM.
Click to expand...
Click to collapse
no my friend ,I'm afraid you're wrong ,with the 4\6 nightly my phone was running with low usage for 48+ hrs .
the battery life is phenomenal for me .

@Brad387
I have had mine for about 2 weeks. When I turned it on and did the initial setup it had a new software update which was ICS. Since then I have been having issues with deep sleep as well. I turned stuff on and off and it has been totally random what was preventing it from going to deep sleep.
I have done this trick that has been on this forum.
Put you phone to airplane mode.
Power it off completely
Remove battery for 20 seconds or more
put battery back in and power this thing back on
then turn off airplane mode.
This seems to have helped me get into deep sleep. BUT there have been instances of rogue crap going on. Like I was using Google maps with GPS on. When I got home and was done with my traffic mapping I turned off the GPS switch and turned off my phone. I checked an hour later and the battery had died 10% since I got home which was more than when I was driving. I checked Better Battery Stats and it showed that GPS was running that whole time. So I turned on GPS again in the toggle waited a couple seconds then turned it off again and bang it went into deep sleep. It sucks that I have to check crap on it all the time and have become a bit paranoid because the GPS glitch had my phone running pretty hot. Since then everything has been running well and deep sleeping.
There are other things I did do too and the below stuff is up to you if you wish to proceed. I rooted my phone which was very easy...at least for me. http://forum.xda-developers.com/showpost.php?p=20963730&postcount=3 this is what I used with no problem.
From there you can freeze a bunch of stuff you may not use like Social Hub, Accuweather etc etc.You will need Titanium for that though and root access.
I logged out of Latitude too which was on by default for some reason.
If I remember anything else I did I will hit you back here.
Bottom line was finally yesterday I was able to get thru the entire day without needing to plug in so there is light at the end of the tunnel...I hope.
Not sure if this has been mentioned but CPU Spy lets you see if you are getting into deep sleep mode and how much time you are in it along with the other CPU mhz that its running.
Hopefully this can help out a bit because I have been in the same boat and it has been driving me mad. Sorry for all the random thoughts too...I just typed them as I remembered things.

jbeef86 said:
@Brad387
I have had mine for about 2 weeks. When I turned it on and did the initial setup it had a new software update which was ICS. Since then I have been having issues with deep sleep as well. I turned stuff on and off and it has been totally random what was preventing it from going to deep sleep.
I have done this trick that has been on this forum.
Put you phone to airplane mode.
Power it off completely
Remove battery for 20 seconds or more
put battery back in and power this thing back on
then turn off airplane mode.
This seems to have helped me get into deep sleep. BUT there have been instances of rogue crap going on. Like I was using Google maps with GPS on. When I got home and was done with my traffic mapping I turned off the GPS switch and turned off my phone. I checked an hour later and the battery had died 10% since I got home which was more than when I was driving. I checked Better Battery Stats and it showed that GPS was running that whole time. So I turned on GPS again in the toggle waited a couple seconds then turned it off again and bang it went into deep sleep. It sucks that I have to check crap on it all the time and have become a bit paranoid because the GPS glitch had my phone running pretty hot. Since then everything has been running well and deep sleeping.
There are other things I did do too and the below stuff is up to you if you wish to proceed. I rooted my phone which was very easy...at least for me. http://forum.xda-developers.com/showpost.php?p=20963730&postcount=3 this is what I used with no problem.
From there you can freeze a bunch of stuff you may not use like Social Hub, Accuweather etc etc.You will need Titanium for that though and root access.
I logged out of Latitude too which was on by default for some reason.
If I remember anything else I did I will hit you back here.
Bottom line was finally yesterday I was able to get thru the entire day without needing to plug in so there is light at the end of the tunnel...I hope.
Not sure if this has been mentioned but CPU Spy lets you see if you are getting into deep sleep mode and how much time you are in it along with the other CPU mhz that its running.
Hopefully this can help out a bit because I have been in the same boat and it has been driving me mad. Sorry for all the random thoughts too...I just typed them as I remembered things.
Click to expand...
Click to collapse
My phone does not seem to enter Deep Sleep, but runs constantly at 200 MHz instead. At present, after turning on the built-in power saving mode (not noticing any performance differs so can't even tell what it does), running Juice Defender Ultimate on aggressive and screen filter I burn around 2% per hour if I just leave my phone locked. Is that healthy?

Brad387 said:
But, that is caused from a weak signal and I get that regardless of network at my house. Besides moving, I cannot alter that.
Click to expand...
Click to collapse
Actually, there is something you can do about that!
Both Vodafone and Three can supply you with a Femtocell which can greatly improved your signal at home, and uses your home broadband as backhaul.
I know, because I have them!
Regards,
Dave
Sent from my GT-N7000 using Tapatalk 2

Battery life of my Note was horrible after upgrade to ICS, and actually already quite bad the last month on GB2.3.6 (all unrooted).
It could get quite warm and often when opening my case the screen was already on.
So I did wipe my phone, reinstalled all apps and battery life has improved immensely.
I see several warnings here about chance to brick your phone when wiping on stock ROM, but not solving the battery drain is of course no option and we don't have a guarantee from Samsung for nothing...
Sent from my GT-N7000 using XDA

foxmeister said:
Actually, there is something you can do about that!
Both Vodafone and Three can supply you with a Femtocell which can greatly improved your signal at home, and uses your home broadband as backhaul.
I know, because I have them!
Regards,
Dave
Sent from my GT-N7000 using Tapatalk 2
Click to expand...
Click to collapse
Well, thanks for offering that advice but how expensive are these things? Also, I'm the only person on 3 in my house so kind of a waste really...

Brad387 said:
My phone does not seem to enter Deep Sleep, but runs constantly at 200 MHz instead. At present, after turning on the built-in power saving mode (not noticing any performance differs so can't even tell what it does), running Juice Defender Ultimate on aggressive and screen filter I burn around 2% per hour if I just leave my phone locked. Is that healthy?
Click to expand...
Click to collapse
your phone should not be running at 200MHz when you hit the sleep/power button. So if its in your pocket and the screen is off then 200MHz is not healthy. Something is running in the background. Have you tried the airplane mode battery trick yet? What I did when that was happening to me was...turn on the airplane mode, power off the phone, pull out batt for 20 secs, put batt in and power on phone, turn off airplane mode, then go to CPU Stats and clear it, then put phone back to sleep and let it sit for a half hour or less if you cant handle that wait like I couldnt. Go back to CPU Stats and and click refresh and see if it helped and if your phone went into deep sleep.

Battery drain while sleeping

Hello
I have a samsung s4 i9500 new phone about 4 months old. I encoutered many battery problems so i installed Arrow rom, which i fell in love with it in a sec, it had everything and the battery life was just amazing. (Thanks to all who contributed into making this amazing rom).
But something happened when i installed an app about adds and it kinda restored my phone yo factory settings, i didnt care much for the reset, but i found out that my battery life ia no longer like before. Let me give you my states before and after.
Ps: i reinstalled the rom hoping better resulta but it was the same
I sleep usually at 1pm and wake up at 10. Thats 9 hours, when my phone was fine it only drained about 10% or 12%.
But as in for today for example, i slept 7 hours and it drained 20%.
Most of the draining came from android oa at 89%.
Please note that before i go to sleep i always charge my phone to 100%
Is there something wrong? Ill do any test to solve mu problem.
Thanks all

Ali Omran said:
Hello
I have a samsung s4 i9500 new phone about 4 months old. I encoutered many battery problems so i installed Arrow rom, which i fell in love with it in a sec, it had everything and the battery life was just amazing. (Thanks to all who contributed into making this amazing rom).
But something happened when i installed an app about adds and it kinda restored my phone yo factory settings, i didnt care much for the reset, but i found out that my battery life ia no longer like before. Let me give you my states before and after.
Ps: i reinstalled the rom hoping better resulta but it was the same
I sleep usually at 1pm and wake up at 10. Thats 9 hours, when my phone was fine it only drained about 10% or 12%.
But as in for today for example, i slept 7 hours and it drained 20%.
Most of the draining came from android oa at 89%.
Please note that before i go to sleep i always charge my phone to 100%
Is there something wrong? Ill do any test to solve mu problem.
Thanks all
Click to expand...
Click to collapse
Hi.
U should install BBS app and post "other" and "partial wakelocks" screenshots so that we can tell what's eating up yr battery life.
Cheers.

deep sleep!
Yeah BBS is definitely the way to go..also you might want to check skipjack's awesome thread for better batt life when idle (insanely )
http://forum.xda-developers.com/showthread.php?t=2357417
I got better batt life with my s4 after i did some of their tips on this thread..
Sweetdreams to your phone's battery! ))

I have attached my files, btw the battery is kinda weird, one day it drained about 40% but somedays drains way less, keep in mind that when i go to sleep i turn off my wifi and use edge network, and power savor too.

Some solutions that I follow that kind of stopped severe battery drain and got the phone in deep sleep mode:
- Disable "Scanning Always Available" from Advanced settings of WiFi
- Disable GPS and 'Use Wireless Networks' from Location settings menu
- Greenify apps and a few services
- Before putting the phone down for good, clear all the recently opened apps by pressing and holding the HOME button and clearing them all. Then open up the task manager and clear RAM.
- To get the phone into deep sleep (you can monitor this using a free app called WakeLock detector, available on PlayStore), if you have the habit of switching on the screen and then switching it off whilst being in the lockscreen mode (just like you check time quickly without unlocking the device), the S4 DOES NOT go into deep sleep mode even though the screen is switched off.
To solve this, you need to unlock the screen, get to homescreen and switch off screen from there instead of directly locking/switching off the screen without unlocking the device. Yes, it's hell and I don't know why this issue persists :/

Odd overnight battery consumption

So throughout the work day my battery life was absolutely stellar, amazing.
But, I took my phone off charge at ~95% last night at around midnight. Woke up at ~6:45am and it was down to like 75%-78% don't remember specifically.
Everyone else is saying their phone doesn't lose more than like 35 overnight but mine lost a crazy amount of battery.
The ONLY thing I can think of is that it had Netflix streaming to my Chromecast overnight but at the very worst it would have streamed two episodes, then stopped, then it would've stopped streaming to Chromecast entirely and just idled on my phone without playing video or anything.
Would that situation above cause a ~20% battery lose? It didn't seem like it to me based on my battery life throughout the previous day but I don't know .. I'll test again tonight and be sure to leave Netflix off and all that.

I get 0% drain over 8h(havent tested it for more than that), I leave the apps open but the connection off. think you have a app gone rough, check your battery stats whats taking up all the juce

johanbiff said:
I get 0% drain over 8h(havent tested it for more than that), I leave the apps open but the connection off. think you have a app gone rough, check your battery stats whats taking up all the juce
Click to expand...
Click to collapse
Before I charged my phone just like a half hour ago, it said the battery usage was like .. 20-20% Android OS, 15%~ something else regarding Android, then 5% Netflix, 3% Reddit Sync, a few other apps with low percentages, nothing really hogging anything. Is it possible my phone just didn't go into sleep mode? Is there a system package that controls that, that my Samsung Package Disabler Pro may have disabled? Not too sure what happened. Hopefully it doesn't reoccur tonight.
Quick question: Should I even be using Greenify and manually hibernating apps or should I just wait for a ROM and THEN use it to automatically do that? I don't even know if constantly manually using Greenify is helping or hurting my battery lol.

thespr said:
Before I charged my phone just like a half hour ago, it said the battery usage was like .. 20-20% Android OS, 15%~ something else regarding Android, then 5% Netflix, 3% Reddit Sync, a few other apps with low percentages, nothing really hogging anything. Is it possible my phone just didn't go into sleep mode? Is there a system package that controls that, that my Samsung Package Disabler Pro may have disabled? Not too sure what happened. Hopefully it doesn't reoccur tonight.
Quick question: Should I even be using Greenify and manually hibernating apps or should I just wait for a ROM and THEN use it to automatically do that? I don't even know if constantly manually using Greenify is helping or hurting my battery lol.
Click to expand...
Click to collapse
You are having the same problem that everybody with the sd820 version has I presume, you should not use greenify with doze from what I've heard. Try clearing your cashe.

johanbiff said:
You are having the same problem that everybody with the sd820 version has I presume, you should not use greenify with doze from what I've heard. Try clearing your cashe.
Click to expand...
Click to collapse
So I should just uninstall Greenify then?
Is Doze something that's just built into the S7 itself that after a certain period of time it puts the phone to sleep? Maybe Greenify was interfering with that and my phone never actually went to sleep?

thespr said:
So I should just uninstall Greenify then?
Is Doze something that's just built into the S7 itself that after a certain period of time it puts the phone to sleep? Maybe Greenify was interfering with that and my phone never actually went to sleep?
Click to expand...
Click to collapse
Yeah. You don't need it, use the built in doze feat instead.. you can turn it off in setting->battery->information. There you will see a on/off switch. Your problem could be Greenify yes.

johanbiff said:
Yeah. You don't need it, use the built in doze feat instead.. you can turn it off in setting->battery->information. There you will see a on/off switch. Your problem could be Greenify yes.
Click to expand...
Click to collapse
I don't see an option for Doze in the battery screen. I see options for Power Saving Mode, Ultra Power Saving Mode, Fast Cable Charging, Show Battery Percentage, then if I hit "more" in the upper right, it just says "Refresh" and "Optimize Battery Usage."
Thanks again!

thespr said:
I don't see an option for Doze in the battery screen. I see options for Power Saving Mode, Ultra Power Saving Mode, Fast Cable Charging, Show Battery Percentage, then if I hit "more" in the upper right, it just says "Refresh" and "Optimize Battery Usage."
Thanks again!
Click to expand...
Click to collapse
Here are some pics.

johanbiff said:
Here are some pics.
Click to expand...
Click to collapse
I don't have that button at all :/
I see the battery usage graph, then below that is a list of what apps took up how much percentage, and above the graph is everything I said in the last post.
I have the North American Verizon S7 Edge .. not sure what's going on. Is there a system package that Doze runs off of that might be disabled by my package disabler?
I just read another thread on another forum where other people don't see an option for Doze anywhere either.

thespr said:
I don't have that button at all :/
I see the battery usage graph, then below that is a list of what apps took up how much percentage, and above the graph is everything I said in the last post.
I have the North American Verizon S7 Edge .. not sure what's going on. Is there a system package that Doze runs off of that might be disabled by my package disabler?
I just read another thread on another forum where other people don't see an option for Doze anywhere either.
Click to expand...
Click to collapse
You are one step forward, go one back from the stats and graph

johanbiff said:
You are one step forward, go one back from the stats and graph
Click to expand...
Click to collapse
When I tap "Battery" from the settings menu that's the screen it takes me to, there isn't a screen before it for me :/

thespr said:
When I tap "Battery" from the settings menu that's the screen it takes me to, there isn't a screen before it for me :/
Click to expand...
Click to collapse
What?! that's really weird.. but either way, turn off Greenify and see if it is better.. Can't help you more than that I'm afraid:/

johanbiff said:
What?! that's really weird.. but either way, turn off Greenify and see if it is better.. Can't help you more than that I'm afraid:/
Click to expand...
Click to collapse
Yeah it seems like the phone is just using an app-specific optimization program instead of Doze or something, no clue. I have options to optimize apps for the lowest possible battery consumption and that's automatically on for basically every app, but there isn't a single hint of Doze or a screen before the battery graph screen.. weird.
I uninstalled Greenify so hopefully that will fix it.
Hopefully there isn't a system package for doze that I have disabled, I scrolled through everything I disabled and nothing had much to do with Doze, battery consumption, power, energy, etc.

thespr said:
Yeah it seems like the phone is just using an app-specific optimization program instead of Doze or something, no clue. I have options to optimize apps for the lowest possible battery consumption and that's automatically on for basically every app, but there isn't a single hint of Doze or a screen before the battery graph screen.. weird.
I uninstalled Greenify so hopefully that will fix it.
Hopefully there isn't a system package for doze that I have disabled, I scrolled through everything I disabled and nothing had much to do with Doze, battery consumption, power, energy, etc.
Click to expand...
Click to collapse
Samsung built in doze combining there own style on it so what you are seeing is the doze. Just leave everything on auto and your fine.

johanbiff said:
Samsung built in doze combining there own style on it so what you are seeing is the doze.
Click to expand...
Click to collapse
Ahhh okay so now Doze is just something automatically always running without options? That's a relief. Now I'm convinced Greenify may have been the issue.

thespr said:
Ahhh okay so now Doze is just something automatically always running without options? That's a relief. Now I'm convinced Greenify may have been the issue.
Click to expand...
Click to collapse
You can shut it off for specific apps with the slider. Seems like I have one added option to don't use it on or off on my sw that you do not. but you can disable doze for apps with the slider, but just leave it on auto and it will fix it for ya

Yep lose 1% in 10 hour sleep wifi off all apps open

Must've been Greenify interfering with the built-in Doze (or app-optimization for SD820 variants).
Turned AOD off, uninstalled Greenify, last night battery went from 99% to 98%.

android system eating up my battery

This problem started a few days ago randomly. I never installed a new app or changed any settings. Started out while I was on a custom ROM. I tried another ROM and same thing. Tried fully erasing everything my phone and still no luck. Fully unrooted and went back to complete stock and Android system is still eating away. When I went back to stock I started the phone as new. Did not restore any apps. This is very frustrating cause it started out of nowhere and it doesn't want to go away no matter what I do. My phone is dying halfway through my day with Android system having double the % that my screen on time has

Thankzz.
Sent from my CAM-L21 using Tapatalk

note3userr said:
This problem started a few days ago randomly. I never installed a new app or changed any settings. Started out while I was on a custom ROM. I tried another ROM and same thing. Tried fully erasing everything my phone and still no luck. Fully unrooted and went back to complete stock and Android system is still eating away. When I went back to stock I started the phone as new. Did not restore any apps. This is very frustrating cause it started out of nowhere and it doesn't want to go away no matter what I do. My phone is dying halfway through my day with Android system having double the % that my screen on time has
Click to expand...
Click to collapse
Go into settings/accounts and see if anything is having a problem syncing. You should also turn off Bluetooth and set location to battery saving if you aren't using Bluetooth devices or GPS. Which build of Android are you using? Is the high battery drain when the phone is idle? In use? Both? Presumably you wiped the system cache after going back to stock?

jhs39 said:
Go into settings/accounts and see if anything is having a problem syncing. You should also turn off Bluetooth and set location to battery saving if you aren't using Bluetooth devices or GPS. Which build of Android are you using? Is the high battery drain when the phone is idle? In use? Both? Presumably you wiped the system cache after going back to stock?
Click to expand...
Click to collapse
Accounts are all synced good. I have wifi and Bluetooth scanning off. Location is on battery saving. And I'm on latest vendor 7.1.1 and usually it's when I'm using the phone. Idle drains some too but not that much of a difference.

note3userr said:
Accounts are all synced good. I have wifi and Bluetooth scanning off. Location is on battery saving. And I'm on latest vendor 7.1.1 and usually it's when I'm using the phone. Idle drains some too but not that much of a difference.
Click to expand...
Click to collapse
Did you wipe the system cache? The only obvious thing that might drain your phone when in use is having the screen brightness set very high, but that shouldn't make a huge difference. You said the problem began when you were on a custom ROM but now you are fully stock? That's odd. Poor network connection can also cause high battery drain. I think if you reset your network settings it will force your phone to look for the closest available cell tower. Do you have GSM or CDMA service?

note3userr said:
This problem started a few days ago randomly. I never installed a new app or changed any settings. Started out while I was on a custom ROM. I tried another ROM and same thing. Tried fully erasing everything my phone and still no luck. Fully unrooted and went back to complete stock and Android system is still eating away. When I went back to stock I started the phone as new. Did not restore any apps. This is very frustrating cause it started out of nowhere and it doesn't want to go away no matter what I do. My phone is dying halfway through my day with Android system having double the % that my screen on time has
Click to expand...
Click to collapse
When battery is run down, what is displayed under battery>>android system>>use details? Please paste those details here. Are you in an area of extremely poor LTE signal? Have you ever used Better Battery Stats? Install it and run it for a full battery cycle. Your problem will likely be solved by a factory reset from the stock recovery.

jhs39 said:
Did you wipe the system cache? The only obvious thing that might drain your phone when in use is having the screen brightness set very high, but that shouldn't make a huge difference. You said the problem began when you were on a custom ROM but now you are fully stock? That's odd. Poor network connection can also cause high battery drain. I think if you reset your network settings it will force your phone to look for the closest available cell tower. Do you have GSM or CDMA service?
Click to expand...
Click to collapse
Wouldn't high screen brightness go under the screen category and not Android system? I will reset my network settings and see if it makes a difference. I would assume flashing back to stop and erasing all data on the phone would do that and wipe all system cache as well.
v12xke said:
When battery is run down, what is displayed under battery>>android system>>use details? Please paste those details here. Are you in an area of extremely poor LTE signal? Have you ever used Better Battery Stats? Install it and run it for a full battery cycle. Your problem will likely be solved by a factory reset from the stock recovery.
Click to expand...
Click to collapse
I have BBS installed but without root I don't think it's much help? I will post screenshots when my battery goes down to about 15%

Some people have reported that the following works, although I don't understand why it would. Go into settings/battery/battery optimization/all apps/reset app preferences.
A factory reset shouldn't be necessary if you did a completely clean stock install but it also couldn't hurt.

note3userr said:
I have BBS installed but without root I don't think it's much help? I will post screenshots when my battery goes down to about 15%
Click to expand...
Click to collapse
Again, your problem will likely be solved by a factory reset from the stock recovery.
Weren't you running BBS when you were rooted and running multiple custom roms? Why not re-root now and use BBS or GSam?

v12xke said:
Again, your problem will likely be solved by a factory reset from the stock recovery.
Weren't you running BBS when you were rooted and running multiple custom roms? Why not re-root now and use BBS or GSam?
Click to expand...
Click to collapse
I never use root even with custom Roms. I feel like I have no need for it. I did what was mentioned earlier and reset my network settings and also I disabled chrome and started using a different browser and so far Android system is the same percentage as screen. Not good but way better than before. BSS is also showing 2 hours "awake (screen off)" which is kinda alarming

note3userr said:
I never use root even with custom Roms. I feel like I have no need for it. I did what was mentioned earlier and reset my network settings and also I disabled chrome and started using a different browser and so far Android system is the same percentage as screen. Not good but way better than before. BSS is also showing 2 hours "awake (screen off)" which is kinda alarming
Click to expand...
Click to collapse
You didn't see anything odd when you went into accounts and looked at syncing? For Google you clicked on the account and looked at each individual thing that gets synced under Google? If you were rooted you could try the Naptime app. I hated it but it has many fans. Basically it puts your phone in an extreme Doze state when you aren't using it, which might fix your problem. But if you want anything to work with the screen off you have to exempt it from Doze. Screen off in Naptime kills pretty much everything.

Same here. Everything stock. Just checked accounts settings and everything is good.
right now my top 5 is:
Screen 13% (2h:52min SOT)
Android System 10%
Android OS 9%
Facebook 8%
WhatsApp 5%
and in overall I've been around 40 min on Facebook, and you know that this **** consumes a lot, so go figure out how the hell is Android System and OS above it.

yzT said:
Same here. Everything stock. Just checked accounts settings and everything is good.
right now my top 5 is:
Screen 13% (2h:52min SOT)
Android System 10%
Android OS 9%
Facebook 8%
WhatsApp 5%
and in overall I've been around 40 min on Facebook, and you know that this **** consumes a lot, so go figure out how the hell is Android System and OS above it.
Click to expand...
Click to collapse
They are components shared by applications so that's rather normal to have them high.
I don't care about Android architecture much so only look at my SOT (which is nominal).
Those interested in why system and OS are high, should read the battery stats source code to see what's grouped under these and how it's being calculated.

I locked my bootloader last night and did a factory reset from settings. Right now Android system is at 5% and screen at 4%
I'm about to completely just give up

note3userr said:
I locked my bootloader last night and did a factory reset from settings. Right now Android system is at 5% and screen at 4% I'm about to completely just give up
Click to expand...
Click to collapse
Android System tally is the sum total of a number of components. That it is "high" is not necessarily a big deal. The real question is: what are each of those components using? When your battery is run down, what is displayed under battery>>android system>>use details? Those usage details may help you find a problem if you even have one. Short of rooting and running a dedicated battery usage/wakelock app, these details may be the best you will get.

Decided to run purenexus and exkernel with root to get better stats. Battery is a little better but still not even close to how it used to be. Here are screenshots of everything . Woke up with 100% around 5:30 am. Went to work and the gym and wat he'd some YouTube.

The only way I found to fix this issue was to implement aggressive doze as soon as screen is off.
If you're on MM this can be done using apps like ForceDoze
And on Nougat using NapTime
Furthermore , I also implemented ElementalX kernel with Hawktail governor.
Since these changes my Screen is on top of the list in battery and maximizes my screen on time. Nothing else works for me.
The phone tends to stay awake needlessly without all these tweaks.

=note3userr;70379330]Decided to run purenexus and exkernel with root to get better stats. Battery is a little better but still not even close to how it used to be. Here are screenshots of everything . Woke up with 100% around 5:30 am. Went to work and the gym and wat he'd some YouTube.[/QUOTE
I really don't see anything wrong here, except awake time and maybe SOT. 4 hours SOT is very good for stock and you are at what 3.3 hours? I use the Hawk Tail governor profile in EX as well and it gives me just a small amount of improvement over stock settings. I use the stock rom, rooted with EX and get 4-5 hours SOT.
Click to expand...
Click to collapse

note3userr said:
Decided to run purenexus and exkernel with root to get better stats. Battery is a little better but still not even close to how it used to be. Here are screenshots of everything . Woke up with 100% around 5:30 am. Went to work and the gym and wat he'd some YouTube.
Click to expand...
Click to collapse
I think the 2 hours awake screen off is normal unless you use an App like Naptime to put your phone in Doze as soon as the screen is off. If you are really concerned with idle battery life you might want to try Naptime, but you may need to play with the settings so the phone works like you want, Naptime by default turns off everything that isn't excluded from Doze when the screen goes off. That includes music players and the fingerprint sensor.

Deep sleep issue

I have latest rr rom installed and at night it does not go into deep sleep. I think on other roms a have same problem.

Here is screenshot from cpu spy plus

Now i have Deep sleep on cpu info but my battery still drain a lot during night: it is 30% less any idea? I have franco kernel on rr

I noticed this too, about 20% overnight, nearly on every custom rom. I will turn off the ambient gestures this night, let's see if it gets better. Always on display is off anyway, that should be clear.

Use ForceDoze app to put the device to sleep as soon as you turn the screen OFF.

my ambient gestures is disable.

deep sleep = doze, enter when no sensor cath anything, if you keep night your phone somewhere the sensor feel movements, for exsample, the phone will not enter doze.
use an app for force doze, can work even with no root applying 2 adb command, like naptime, greenify and so on.

No, its your rom/kernel problem, i'm on "other rom" and i dont have this issue, standby only drain 1-3% over night.

TerQQ said:
I have latest rr rom installed and at night it does not go into deep sleep. I think on other roms a have same problem.
Click to expand...
Click to collapse
Yes i'm also having this problem on almost every rom.mine overnight battery drain is about 20% and it shows that android os is using all battery.

GVN.Gallus said:
No, its your rom/kernel problem, i'm on "other rom" and i dont have this issue, standby only drain 1-3% over night.
Click to expand...
Click to collapse
What rom you use now?

TerQQ said:
What rom you use now?
Click to expand...
Click to collapse
Lastest Carbon with inbuilt kernel.

Problem is not with rom nor kernel. There is a problem in the USB port i also have this problem. There is a temporary fix. Not a permanent one.
The temp fix is you need a root browser with root permissions
Go to /sys/module/dwm_msc (or something like that) /parameters then click on the file disable_host_mode and change the value from N to Y
If phone is restarted the value gets reset to N

williamzerner said:
Problem is not with rom nor kernel. There is a problem in the USB port i also have this problem. There is a temporary fix. Not a permanent one.
The temp fix is you need a root browser with root permissions
Go to /sys/module/dwm_msc (or something like that) /parameters then click on the file disable_host_mode and change the value from N to Y
If phone is restarted the value gets reset to N
Click to expand...
Click to collapse
OK, i changed it, let's see what's happens.
 @GVN.Gallus could you check the value on carbon ROM ?

I had the same issue with stock rom. Naptime did the trick for me. Before that IT wouldnt go info deep sleep.

coremania said:
OK, i changed it, let's see what's happens.
@GVN.Gallus could you check the value on carbon ROM ?
Click to expand...
Click to collapse
Its N by default.

Using Naptime during night still drain a lot battery ... Help me :|
Edit:
During night my phone is always on deep sleep. i checked it with cpu spy plus.

It is normal? Screens from wakelock detector.
100%-75% after 3 hours with 40 min SOT. ROM:Aosp extended with inbuild kernel

TerQQ said:
It is normal? Screens from wakelock detector.
100%-75% after 3 hours with 40 min SOT. ROM:Aosp extended with inbuild kernel
Click to expand...
Click to collapse
Everything look ok to me, BUT one app
I think Google Play Services causing you drain, on my stock ROM, Play Services is least active app while on you screenshot it is most active one. Try to, disable, enable and then update it.

TerQQ said:
Using Naptime during night still drain a lot battery ... Help me :|
Edit:
During night my phone is always on deep sleep. i checked it with cpu spy plus.
Click to expand...
Click to collapse
Did you try another kernel?

marko.dnb said:
Everything look ok to me, BUT one app
I think Google Play Services causing you drain, on my stock ROM, Play Services is least active app while on you screenshot it is most active one. Try to, disable, enable and then update it.
Click to expand...
Click to collapse
OK but how I can disable google services? In stock settings I can't press disable...