Database Users

Battery Drain is Broken ????

1st of all excuse me for my bad english.
I have a big problem with my N1 after a full charge in 4 hour and NO USE i have 32% of battery.
In 2 more hours i have no battery and request cable to charge and than shout-off-
I try different radio and rom and kernel
I wipe battery stat.
No way.
What i can try and if i need spare parts or service for my phone from USA and i'm in italy ??
Thanks.

Is your phone getting hot? I'm pretty sure, and it sounds like you agree, that this can't be a software problem.
Maybe bad battery? Is it a new N1? Any damage? Drops?

If your phone is getting warm it is most likely a software problem. Sounds like you just have a bad app in the background that won't stop, and it is running your CPU constantly.
Download a task manager (not for the auto-kill, auto-kill is bad) but use it to see if there is any app that is constantly using up your CPU.
Also download Spare Parts and check the battery history and see if anything is high on the "partial wake" screen.

i try 4 different rom, 2 radio e 3 kernel.
No changes
The phone never fall from my hand.
Yesterday i put in a LeoFroyo and just full charge and boot this morning 6:00 at 10:00 i have 40% of battery.
RMA ?

Ok yeah, sounds like a bad battery then, or worse.

Some news here.
I bought a new and original battery for N1 from HTC.
No solve the problem.
I fully charge battery and in 12 H is drained (also Time and Date reset).
I fully charge the battery and leave it out of the phone and NO DRAIN
I fully charge and put in the phone POWER OFF and is drained (cannot say in how many hours).
So the strange and new things are
1) Drain with the Nexus power off
2) No a battery problem
3) Reset time and date after drain
What can use battery in the phone when is power-off ?????
I write at HTC USA and Italy but they dot answer nothing. (2 weeks ago USA 1 week Ita) It's normal this delay ?

Actually powered off? Or do you just turn the screen off? Do you press and hold on the power button, then choose "Power off"?
12H is pretty good for the battery, considering it sounds like you have auto-updating things and use it a lot. If it is draining in 12H when you don't use it, you probably have installed an app that is misbehaving.

if you are losing battery power when the phone is off then this is a phone problem

Clarkster said:
Actually powered off? Or do you just turn the screen off? Do you press and hold on the power button, then choose "Power off"?
12H is pretty good for the battery, considering it sounds like you have auto-updating things and use it a lot. If it is draining in 12H when you don't use it, you probably have installed an app that is misbehaving.
Click to expand...
Click to collapse
No apps installed and clear and new firmware. And NO USE THE PHONE just power on and leave on the desk with black
screen and 12 hours drain.
Otherwise if i POWER COMPLETELY OFF the phone i have battery draining.
Blueman101 said:
if you are losing battery power when the phone is off then this is a phone problem
Click to expand...
Click to collapse
I think so someone have experience with HTC assistance ????

"Show low low battery logo" Nexus 7 thinks battery is dead even when fully charged!

"Show low low battery logo" Nexus 7 thinks battery is dead even when fully charged!
I have already got a replacement on order from the Play Store but since I haven't seen any reports on this after plenty of searching I figured I'd describe the issue.
My 16gb Nexus 7 worked pretty much flawlessly for the first several days of pretty light use minus very minimal flicker on occasion. As of two days ago the unit is basically unusable as it randomly but excessively decides that the battery is dead even though it is fully charged. The first several times this happened I wasn't paying attention and I thought it just shut off by itself, but then I started to watch it more closely but it also started happening more and more. As of this morning it will not stay on more than 5 minutes before it audibly notifies a low battery with the messages "Connect Charger" and "Powering down". Sometimes it will give two options "Battery" and "OK" but I was never able to actually get the buttons to respond because it would already be shutting down. Other times it will just show the connect charger and powering down messages with no buttons which is strange, but in either case the device shuts down.
Once I started troubleshooting I figured out a little more information.
Watching the lock screen while it is charging I will see it go from it's (I think) correct charge percent to 0% randomly.
While not charging it will either show a red battery indicator in the notification area or just an empty battery when it decides to shut down
Sometimes it will boot right up and be back up to regular charge level (of course just to shut down again within a few minutes)
Other times it will not boot up and I noticed the error message (almost like a debug prompt mistakenly left in the code) in the upper left corner "Show low low battery logo" + some strange symbol like when you get 100 1-Ups in Super Mario Brothers . Yes the message has the word "low" twice - I guess this is lower than standard low!
Anyway, kinda bummed but since I have not seen any other report of this particular issue I'm hopeful that the replacement will not have the same problem. I'm just hoping I don't get a unit that has some of the other problems being reported so I'm crossing my fingers.

Mine started doing the same this morning
Sent from my LT26i using xda app-developers app

This sounds pretty similar to my problem from another thread. Every time it hits 25% while discharging it dies. Normally I'd say it's just a software calibration issue and fixable by wiping battery stats, but I've wiped several times at 100% and run down to 25% and it still dies.
Do you find that you still get a normal amount of battery life before it dies? It'd help to establish whether this is the battery misreporting, or actually not discharging properly.
* Strangely this time after my N7 had died at 25% I turned it on and it's at 0% battery. It's been charging for ~15min and it still says 0%... When you all first got the device, did you let it run to 0%, or did you charge it right away?
** And now, after almost an hour, it's at 1%. Seems to be charging, but brutally slowly (and I'm using the bundled charger, not PC USB).

omnikai said:
This sounds pretty similar to my problem from another thread. Every time it hits 25% while discharging it dies. Normally I'd say it's just a software calibration issue and fixable by wiping battery stats, but I've wiped several times at 100% and run down to 25% and it still dies.
Do you find that you still get a normal amount of battery life before it dies? It'd help to establish whether this is the battery misreporting, or actually not discharging properly.
* Strangely this time after my N7 had died at 25% I turned it on and it's at 0% battery. It's been charging for ~15min and it still says 0%... When you all first got the device, did you let it run to 0%, or did you charge it right away?
** And now, after almost an hour, it's at 1%. Seems to be charging, but brutally slowly (and I'm using the bundled charger, not PC USB).
Click to expand...
Click to collapse
Yours sounds like a similar but different issue. My N7 dies regardless of how much charge it has. It can have 100% charge and within 5 minutes it will report 0% charge and die. Then when I can get it to boot again it will be back up to 99% charge again. I can't get more than 10 minutes of use before it dies regardless of how much charge it truly has.

omnikai said:
This sounds pretty similar to my problem from another thread. Every time it hits 25% while discharging it dies. Normally I'd say it's just a software calibration issue and fixable by wiping battery stats, but I've wiped several times at 100% and run down to 25% and it still dies.
Do you find that you still get a normal amount of battery life before it dies? It'd help to establish whether this is the battery misreporting, or actually not discharging properly.
* Strangely this time after my N7 had died at 25% I turned it on and it's at 0% battery. It's been charging for ~15min and it still says 0%... When you all first got the device, did you let it run to 0%, or did you charge it right away?
** And now, after almost an hour, it's at 1%. Seems to be charging, but brutally slowly (and I'm using the bundled charger, not PC USB).
Click to expand...
Click to collapse
I'm starting to have this same issue, however mine goes at about 19%. Just turns off. I have also seen the show low battery in white text thing. I have tried calibrating by fully charging then deleting batterystats.bin from data/system and letting it decharge and it still died around there, I'm recharging again to 100 to see what happens this next time I let it go... thought mine was issue free than this happens

Well in case anyone else runs into this, I have no idea what caused this or how I got out of it thinking it was dead at 20%. I tried deleting the stats, reflashed stock and then CM10 and back again, tried a different kernel, and still died at 20 and gave me the "low low battery logo".
I just took it into Gamestop where I got it and started the process for an exchange, so I have another one coming now. Go figure when I got home I plugged it back in, and now this time just like omnikai said instead of being at 20% it was at 0 when I turned it on. Been a while and now and seems to be charging normally so hopefully it will decharge fine.. either way really weird only problem I've had with mine so far
** Just wanted to edit and say its now decharging normally dont know what caused it to spazz out or fix it one of those ghost in the machine android moments

NeoMagus said:
Well in case anyone else runs into this, I have no idea what caused this or how I got out of it thinking it was dead at 20%. I tried deleting the stats, reflashed stock and then CM10 and back again, tried a different kernel, and still died at 20 and gave me the "low low battery logo".
I just took it into Gamestop where I got it and started the process for an exchange, so I have another one coming now. Go figure when I got home I plugged it back in, and now this time just like omnikai said instead of being at 20% it was at 0 when I turned it on. Been a while and now and seems to be charging normally so hopefully it will decharge fine.. either way really weird only problem I've had with mine so far
Click to expand...
Click to collapse
Replacement N7 seems to be fine thusfar...

Apparently, somebody in StackExchange is having the same issue as well:
http://android.stackexchange.com/questions/27222/nexus-7-system-error-show-low-battery-logo

if anyone else gets this, try disconnecting the battery and then re connect and see if that fixes it. i had same type of issue on viewsonic g-tab and that was the required fix.

Mine did it at 10%, calibrated the battery and im getting truly awesome battery life 2 full days without a charge
Sent from my SAMSUNG-SGH-I717 using xda premium
---------- Post added at 02:54 PM ---------- Previous post was at 02:52 PM ----------
This is the app
https://play.google.com/store/apps/details?id=com.nema.batterycalibration
You need to be rooted
Sent from my SAMSUNG-SGH-I717 using xda premium

Same problem here when battery reaches 24% whole tab dies...
Did someone fixed it?

egomezmorales said:
Mine did it at 10%, calibrated the battery and im getting truly awesome battery life 2 full days without a charge
Sent from my SAMSUNG-SGH-I717 using xda premium
---------- Post added at 02:54 PM ---------- Previous post was at 02:52 PM ----------
This is the app
https://play.google.com/store/apps/details?id=com.nema.batterycalibration
You need to be rooted
Sent from my SAMSUNG-SGH-I717 using xda premium
Click to expand...
Click to collapse
While this reply is late to the game, it needs to be pointed out that such apps are 100% snake oil and do not calibrate the battery. They are based upon gross misinformation and any dev that tells you that clearing batterystats.bin has any effect on battery life or reported battery charge clearly doesn't know how Android works.
Sent from my Galaxy Nexus using Tapatalk 2

Beekhouse said:
Same problem here when battery reaches 24% whole tab dies...
Did someone fixed it?
Click to expand...
Click to collapse
Have you fixed this yet cos mine does the same?

I had been having the same problems that everyone described: would suddenly die at 25% and wouldn't turn back on unless I gave it a charge for a bit and then held the power button down for a while.
For the last 2 weeks, I've been charging it only with the stock charger and that seems to have fixed it. Previously I would charge with any charger I had around.
Not sure if it's a permanent fix but it's working now (I've taken it down to 4% before charging it back up).

AdamK123 said:
I had been having the same problems that everyone described: would suddenly die at 25% and wouldn't turn back on unless I gave it a charge for a bit and then held the power button down for a while.
For the last 2 weeks, I've been charging it only with the stock charger and that seems to have fixed it. Previously I would charge with any charger I had around.
Not sure if it's a permanent fix but it's working now (I've taken it down to 4% before charging it back up).
Click to expand...
Click to collapse
I only use the stock charger on mine but after this happened so often I tried another one and battery charged OK but then kept blipping from say 50% to 54%, went bed with it at 49% and this morning dead again. Charged it again today on stock charger and waiting to see what happens.

Sorry all for this bump.
I just got this same issue tonight on stock, unrooted nexus 7 16gb and I only use the stock charger, I let it die through battery and then when I charged it amend turned it on, all these problems happened.
One symptom that hasn't been mentioned is that the clock is set back to January 1st 1am.
I managed to get it to start without turning off by holding the power button until the Google logo showed twice, at the moment it's on but charging.
Hope this doesn't become a problem again in the future.

NeoMagus said:
Well in case anyone else runs into this, I have no idea what caused this or how I got out of it thinking it was dead at 20%. I tried deleting the stats, reflashed stock and then CM10 and back again, tried a different kernel, and still died at 20 and gave me the "low low battery logo".
I just took it into Gamestop where I got it and started the process for an exchange, so I have another one coming now. Go figure when I got home I plugged it back in, and now this time just like omnikai said instead of being at 20% it was at 0 when I turned it on. Been a while and now and seems to be charging normally so hopefully it will decharge fine.. either way really weird only problem I've had with mine so far
** Just wanted to edit and say its now decharging normally dont know what caused it to spazz out or fix it one of those ghost in the machine android moments
Click to expand...
Click to collapse
I am currently having the 20% problem. Did your tablet reaminworking normally since the self correction?

A Probable solution to the nexus 7 dying at 15% + charge
dbstrat said:
I have already got a replacement on order from the Play Store but since I haven't seen any reports on this after plenty of searching I figured I'd describe the issue.
My 16gb Nexus 7 worked pretty much flawlessly for the first several days of pretty light use minus very minimal flicker on occasion. As of two days ago the unit is basically unusable as it randomly but excessively decides that the battery is dead even though it is fully charged. The first several times this happened I wasn't paying attention and I thought it just shut off by itself, but then I started to watch it more closely but it also started happening more and more. As of this morning it will not stay on more than 5 minutes before it audibly notifies a low battery with the messages "Connect Charger" and "Powering down". Sometimes it will give two options "Battery" and "OK" but I was never able to actually get the buttons to respond because it would already be shutting down. Other times it will just show the connect charger and powering down messages with no buttons which is strange, but in either case the device shuts down.
Once I started troubleshooting I figured out a little more information.
Watching the lock screen while it is charging I will see it go from it's (I think) correct charge percent to 0% randomly.
While not charging it will either show a red battery indicator in the notification area or just an empty battery when it decides to shut down
Sometimes it will boot right up and be back up to regular charge level (of course just to shut down again within a few minutes)
Other times it will not boot up and I noticed the error message (almost like a debug prompt mistakenly left in the code) in the upper left corner "Show low low battery logo" + some strange symbol like when you get 100 1-Ups in Super Mario Brothers . Yes the message has the word "low" twice - I guess this is lower than standard low!
Anyway, kinda bummed but since I have not seen any other report of this particular issue I'm hopeful that the replacement will not have the same problem. I'm just hoping I don't get a unit that has some of the other problems being reported so I'm crossing my fingers.
Click to expand...
Click to collapse
I recently started having the same problem with my 2 month old rooted Nexus 7 (wifi only) . It was dying at about 19% - 23% charge . Tried doing the battery recallibration at 100% charge, even wiped the device clean and flashed the Jellybean 4.2 factory image but it didn't work.
I talked with the ASUS service center guys to get it fixed, and created a sort of guest user so that I won't have to disconnect my accounts. After that my problem seems to have been fixed. I discharged it to about 4% and then put it to charge, it's charging properly now so I am hoping the problem has been fixed.
I am not sure whether this would work for everybody, but I guess it's worth a try.

[Q] Battery Drain When Powered Off

Anyone else encountered this problem ?
I've had my Nexus 4 for 3 days now.
I turn my phone off every night. So two nights for this phone. Each time I have turned it off it has been fully charged, with the battery indicator and a third party app both showing 100 %. The next morning (about 8 hours later) I'm finding the battery has dropped to ~85%, so losing ~2% per hour when powered off.
Anyone else encountered this or know how to deal with it (before I contact Google)
Note - to power off I press the power stud until the Power Off menu appears, select Power Off, then click on OK to shut the phone down.
This is with Android 4.2.1

It takes power to turn the phone on. 15% might be a little much but it is not unlikely.
Sent from my Nexus 4 using Tapatalk 2

15% does sound a little high. OP, how's the battery life during daily/normal usage?

tengen said:
15% does sound a little high. OP, how's the battery life during daily/normal usage?
Click to expand...
Click to collapse
Battery life has actually been decent, I think I'm getting better usage than my old HTC Desire Z with extended battery. I'm not a heavy user, though I have been using it for music at work.

Hi
dapprman said:
Anyone else encountered this problem ?
I've had my Nexus 4 for 3 days now.
I turn my phone off every night. So two nights for this phone. Each time I have turned it off it has been fully charged, with the battery indicator and a third party app both showing 100 %. The next morning (about 8 hours later) I'm finding the battery has dropped to ~85%, so losing ~2% per hour when powered off.
Anyone else encountered this or know how to deal with it (before I contact Google)
Note - to power off I press the power stud until the Power Off menu appears, select Power Off, then click on OK to shut the phone down.
This is with Android 4.2.1
Click to expand...
Click to collapse
It takes a huge amount of battery power to start the phone from complete off, this also skews the first reading of the battery voltage as it will be lowered by the draw of power to start the phone so the indicator will read lower than it's true capacity.
The best solution is just put your phone in airplane mode at night, and turn airplane mode off in the morning, this is more power efficient than shutting the phone down using "power off", and you shouldn't see any battery drain apart from a percent or so doing this.
Regards
Phil

You can tell you guys never turn your phones off Starting up should have no battery drain - never been an issue on any of my previous phones and PDAs (last one also being Android).
I rang Google and they had never seen it before but recommended draining then fully charging the battery.
Friday night I made sur it was fully charged before unplugging and shutting down - next morning on turning on - 99% - result. Saturday/Sunday the same (note SAturday i fully drained then recharged the battery). This morning boots up with just 82%.
Looks like either it can't work out when it's fully charged, else there's some disharge mechanism in place to protect the battery and that's causing me issues.

It probably wasn't really at 100% even it was reporting as such. The reporting is broken. So when you rebooted you saw the real battery level.
Sent from my Nexus 4 using xda premium

I was just about to start a thread on this and then saw this thread here. So I'll ask here. I travel overseas a lot. So while I am on the plane I plug the phone in while off to charge it. I hit the power button occasionally to check the charge and when it shows "Full" I unplug it and throw it in my bag.
2 days later, I come back to the US and turn the phone on and the battery is usually below 50% even though it stated it was fully charged when I unplugged it.
So how does the battery drain if the phone is off?

I just sent my first Nexus 4 in for RMA on this very issue (if left for long enough it would just fully discharge), got the replacement on Friday, did a charge cycle, charged the phone fully up whilst off, took it off the charger (the official Nexus charger btw), and let it sit for the last day, just turned it on, and it's at 60%.... W T F !!!
This is sooo totally bizarre! I can only assume that this is common to most Nexus 4 (what are the odds of me getting two bad ones - direct from Google - with the exact the same issue?), and that people just aren't noticing, as most people don't leave their phones off after fully charging, and thus just never notice, as the battery behaves perfectly normally under usual use.
I would gratefully appreciate it if people could put this to the test, so I know whether or not to RMA the second device or not....

dapprman said:
Anyone else encountered this problem ?
I've had my Nexus 4 for 3 days now.
I turn my phone off every night. So two nights for this phone. Each time I have turned it off it has been fully charged, with the battery indicator and a third party app both showing 100 %. The next morning (about 8 hours later) I'm finding the battery has dropped to ~85%, so losing ~2% per hour when powered off.
Anyone else encountered this or know how to deal with it (before I contact Google)
Note - to power off I press the power stud until the Power Off menu appears, select Power Off, then click on OK to shut the phone down.
This is with Android 4.2.1
Click to expand...
Click to collapse
Are you using a custom rom, maybe its only sleeping.

Can't speak for the OP - but for me, no on both devices - totally stock. The latest one, box fresh on Friday! Also, the phone is most definitely OFF, and not just sleeping, ie, I press the power button & choose the "power off" option from the pop up. Unfortunately there's no way to really test this, by pulling the battery...

knowayback said:
Can't speak for the OP - but for me, no on both devices - totally stock. The latest one, box fresh on Friday! Also, the phone is most definitely OFF, and not just sleeping, ie, I press the power button & choose the "power off" option from the pop up. Unfortunately there's no way to really test this, by pulling the battery...
Click to expand...
Click to collapse
Why not just leave it charging when it's off..

steviewevie said:
It probably wasn't really at 100% even it was reporting as such. The reporting is broken. So when you rebooted you saw the real battery level.
Sent from my Nexus 4 using xda premium
Click to expand...
Click to collapse
Nah - I tested it multiple times on my first phone. One time I left it for over two days and the battery went from "reporting 100%" to being under 10% whilst turned off!! Also on all the charges - I deliberately would leave the phone on the charger for multiple hours, even after it was reporting 100%, as I had the same suspicion. Often I'd leave it to charge overnight...
I have never had this issue with any other phone, or with my Nexus 7 (which I have subsequently tested in this respect, and it is perfectly capable of holding a charge whilst off)
---------- Post added at 07:14 PM ---------- Previous post was at 07:10 PM ----------
joshnichols189 said:
Why not just leave it charging when it's off..
Click to expand...
Click to collapse
It's not so much that it's a practical issue, it's more that I'm worried that it might indicative of a larger hardware based defect, and I'm not happy spending my hard earned cash on faulty goods.
If it's a very common complaint/fault then I won't bother to RMA the second one, but if I'm just ridiculously unlucky, and very few people are experiencing this totally weird behaviour, then I'll take my chances on a third...
Also, I don't think it's too much to ask to be able to turn my phone off to prevent it from losing any more charge. I can think of a plethora of scenarios where this would be extremely useful...

I'm now convinced of three things.
1. Android 4.2.1 can not properly read the battery state
2. Shutting down the phone does NOT do that, but rather puts it in to a hybernate mode that still requires battery charge
3. There is a fundamental design flaw in the phone that part causes this.
Most mornings I find my previously shut down at 100% charged phone at only 80-85%, though occasionally it is as high as 97-99, but not often.
Oh and my ROM is stock, my phone is not rooted.

dapprman said:
I'm now convinced of three things.
1. Android 4.2.1 can not properly read the battery state
2. Shutting down the phone does NOT do that, but rather puts it in to a hybernate mode that still requires battery charge
3. There is a fundamental design flaw in the phone that part causes this.
Most mornings I find my previously shut down at 100% charged phone at only 80-85%, though occasionally it is as high as 97-99, but not often.
Oh and my ROM is stock, my phone is not rooted.
Click to expand...
Click to collapse
I agree on all counts apart from the first, as my nexus 7 and my Mum's Nexus 10 behave totally normally in this respect, both on 4.2.1 and 4.2.2 (both stock/unrooted, although the Nexus 7 was rooted/bl-unlocked for a time).
Also, I don't believe it's a miss reading of the battery state, as I often leave the device charging for multiple hours after it reports 100%, by which point it simply must be fully charged. What's more - if you leave the device off for long enough it will fully discharge! The craziest thing is that the phone's battery seems to drain quicker when it's 'turned off", than when it's powered on and sleeping. Seriously WTF.
It must be something to do with either the LG hardware, or LG specific code in the Google ROM. Obviously the phone is incapable of properly shutting down, which is pretty crappy for a so called "flagship" device. As someone who likes to have full control of their device, I find it more than a wee bit irksome, that I don't have the ability to completely shutdown my phone! This is also where the irremovable battery is annoying, because there's no way to test whether it's a hardware or software issue, although I guess I could try a custom ROM and see if it still happens.... however I don't really wanna root & rom if I'm going to RMA it....
I'm really interested to know how many other people have this defect and don't even realise it, because their phone is either in use or charging! I find it hard to believe that I could be unlucky enough to have got two uniquely defective devices in a row...
I'd really appreciate it if people could check their devices for this issue, both on stock and custom ROMs, see if we can work out whether it's HW or SW related...

knowayback said:
This is also where the irremovable battery is annoying, because there's no way to test whether it's a hardware or software issue
Click to expand...
Click to collapse
You could try powering it off with the bootloader. After you power off normally, hold power and volume down, when the bootloader menu comes on use volume keys to select power off and power button to confirm.
I'm hard pressed to believe the battery in my device would fully discharge if left off, when the phone arrived the battery wasn't dead, I got about three hours of solid tinkering before it died.

USSENTERNCC1701E said:
You could try powering it off with the bootloader. After you power off normally, hold power and volume down, when the bootloader menu comes on use volume keys to select power off and power button to confirm.
I'm hard pressed to believe the battery in my device would fully discharge if left off, when the phone arrived the battery wasn't dead, I got about three hours of solid tinkering before it died.
Click to expand...
Click to collapse
That's a good point. Mine came out of the box at about 80%.... hmmm. It could be that once it's first turned on it won't turn off again... this is such an odd issue! I shall try powering off from the bootloader next time, I'd still love to hear if other people's phones exhibit this anomaly though...
I'm aware that it's hard to believe issue, but there's only one way to find out...
I'm also very curious to know if loading a custom rom might solve it. I'm far less concerned if it's a software issue, I just don't want to have spend £250 on defective hardware.

I'm 100% stock, no Custom ROM nor kernal (kernel?) and my phone WILL discharge if left unplugged and "off". Happens every time I come back from overseas. Fully charge it up on the plane (even left the phone on but in airplane mode to 100% thinking that it was a misread of the battery level when the phone was "off") and still the same issue... turn it on a few days later and the charge is down to 75% or so....
I thought I was losing it... but I'm not the only one...

usafle said:
I'm 100% stock, no Custom ROM nor kernal (kernel?) and my phone WILL discharge if left unplugged and "off". Happens every time I come back from overseas. Fully charge it up on the plane (even left the phone on but in airplane mode to 100% thinking that it was a misread of the battery level when the phone was "off") and still the same issue... turn it on a few days later and the charge is down to 75% or so....
I thought I was losing it... but I'm not the only one...
Click to expand...
Click to collapse
Ha - me too! With the first one, I actually went into a weird sort of denial, where I kept convincing myself that I must of got it wrong, it just seemed so absurd! Eventually I put it to the test (multiple times) and realized that my memory wasn't as bad as I'd been trying to persuade myself and the phone was in fact discharging when "off".
Anyone else?
Just got the update to 4.2.2 and have got my fingers firmly crossed that it's now a squished bug... although somehow I think it's more likely an LG/hardware issue...

What you could try to do it charge the battery to 100%, hold the power button for 10 seconds until it fully shuts itself off. Leave it overnight and see the battery level is at the next day.

Weird Battery Behavior + S Pen Issue

Hello everyone, i just purchased a second hand Note 3 N9005. The phone was bought 1 year ago. Everything is fine except two things.
1) Battery: As soon as i charge the phone battery drops really quick down to 80%. For example it discharges 10%+ or more during night (wifi, mobile data off), if i use the phone it will drop to 80% in a matter of minutes. No obvious reason for the drain in my eyes. As soon as i hit 80% it starts to behave more normally. The more i discharge it the harder it gets to run down the battery ! Last night i was trying to fully discharge it. Battery was down to 1% and it took 45+ minutes of youtube playback to go from 1% to empty !!! Moreover at night if battery is under 80% with 7-8 hours of sleep it won't drop at all. As soon as i plug in the phone it goes from 0% to 15% instantly ! Then it charges normally.
Is this behavior normal ? I mean the no linear discharge. I've had LG G2 before and Nexus 4 and i didn't have this issue.
If this is not normal, is it most likely a damaged battery or could it be phone's fault/ inability to read the battery charge correct?
2) S-Pen. I have noticed that it needs some pressure to work. I've tried Note Pro 12.2 S Pen on the phone and it works with a lot less pressure. I've opened the pen and increased it's sensitivity it got better but still not as comfortable to use like the S-pen from the Note 12.2. Anyone else noticed this ?
Thanks in advance for your time

Are you using the stock charger ?
Sent from my SM-N9005 using Tapatalk

thahim said:
Are you using the stock charger ?
Sent from my SM-N9005 using Tapatalk
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Click to collapse
Yes stock charger, stock rom no root.

Probably try a new battery for the spen have you tried changing the tip of it?

cryostasis25 said:
Probably try a new battery for the spen have you tried changing the tip of it?
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Yeah i have changed the tip. I even tried a tip from the Note 12.2 pen, same thing. I think it comes down to a sensitivity issue.

http://galaxy-note2.wonderhowto.com...ensitivity-for-better-touch-response-0140084/
sent from my Note 3

Jager23 said:
http://galaxy-note2.wonderhowto.com...ensitivity-for-better-touch-response-0140084/
sent from my Note 3
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Yeah already done that ! No matter how much i increase the sensitivity it never feels the same as the Note 12.2 S Pen ....

Rockfreak I'm also having the same exact problem of the battery, my battery drains from 100% to 82% in less than 25 minutes after that its solwing down, there is a strange thing some certain percentage is hard to be drained easily as some time it takes 10 minutes to drain a certain percentage specifically i can't understand why but I believe for some reason the system is not reading the exact percentage and capacity of the battery.
However, although of the strange battery behavior I'm getting almost 5 and half an hour screen on time no matter how long I'm idle also i never close my 3g connection and it's always connected as H+.
Moreover, i tried to use battery calibration application that doesn't require root access (my N3 is not rooted) when the mobile is in the charger and fully charged notfication appears i restart the mobile without unplugging it from the adapter once it's boot i go to the batter application program and press calibrate then i unplug my mobile.
In this excact period of time i can notice a big difference in the battery behavior and it starts to drain almost normally, anyhow, I'm still getting the same excact screen on time which is around 5 to 5 and half hour, also as soons as the battery reaches 0% or 5% and i charge it again to 100% and get the battery full notification the misbehavior starts again.
I tried alot of things but unfortunately with no luck. So i decided that ignorance is a gift xD

harnksh said:
Rockfreak I'm also having the same exact problem of the battery, my battery drains from 100% to 82% in less than 25 minutes after that its solwing down, there is a strange thing some certain percentage is hard to be drained easily as some time it takes 10 minutes to drain a certain percentage specifically i can't understand why but I believe for some reason the system is not reading the exact percentage and capacity of the battery.
However, although of the strange battery behavior I'm getting almost 5 and half an hour screen on time no matter how long I'm idle also i never close my 3g connection and it's always connected as H+.
Moreover, i tried to use battery calibration application that doesn't require root access (my N3 is not rooted) when the mobile is in the charger and fully charged notfication appears i restart the mobile without unplugging it from the adapter once it's boot i go to the batter application program and press calibrate then i unplug my mobile.
In this excact period of time i can notice a big difference in the battery behavior and it starts to drain almost normally, anyhow, I'm still getting the same excact screen on time which is around 5 to 5 and half hour, also as soons as the battery reaches 0% or 5% and i charge it again to 100% and get the battery full notification the misbehavior starts again.
I tried alot of things but unfortunately with no luck. So i decided that ignorance is a gift xD
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Click to collapse
With that amount of screen time i wouldn't be bothered either ....I'm getting 90-120 minutes of screen time maximum in under 1 day usage....thanks for the info though

Note 4 drops from 50% battery to 0% instantly. Anyone else had this problem?

Hi there, I currently have a Samsung Note 4 running CM12.1 and in the past two days the phone has randomly "crashed" late afternoon/night (5.30pm today and 8.40pm last night). My phone performs fine throughout the day and then I'll notice that the screen doesn't wake up if I press the home button like normal. If I then power the phone on it boots up and instantly powers off after booting since it has "0%" battery. Both times the phone had plenty of charge in it, around 30-50%. Has anyone else encountered this before?
I have some screenshots but I am unable to post the Imgur links in my post because of my post count. Any other way I can post them?
Specs:
SM-N910F
CM 12.1-20151022-NIGHTLY-trltexx
Android 5.1.1
I can provide more specs if you wish.

Buy another battery, if another battery is OK then your old battery is broken

I had a similar issue where it would, after a clean software reset, shut down unexpectedly at 20% or so - then subsequently at 40%, 60%, and further 20 percent increments when I'd let it shut down of it's own accord. RMA'd it under warranty, pretty pleased with the service I got. No software fix for it.

RBrNx said:
Hi there, I currently have a Samsung Note 4 running CM12.1 and in the past two days the phone has randomly "crashed" late afternoon/night (5.30pm today and 8.40pm last night). My phone performs fine throughout the day and then I'll notice that the screen doesn't wake up if I press the home button like normal. If I then power the phone on it boots up and instantly powers off after booting since it has "0%" battery. Both times the phone had plenty of charge in it, around 30-50%. Has anyone else encountered this before?
Click to expand...
Click to collapse
Recalibrate your battery. I had this issue, too, after flashing another ROM. My Note 4 would shut down and die at ~50%.
1. Download Battery Calibration from Google Play
2. Fully charge your phone. By "fully" I mean not only to 100% (which, in your case, will be something like 50% effective charge), but until your LED has turned green. For good measure, just turn your phone off and let it charge overnight.
3. Run Battery Calibration, and tap the big button that says "Battery Calibration"
4. That's it.
You should do this every time you flash a new ROM, because there's always a chance your battery gets miscalibrated during the process.

Thank you very much for your help everyone, I'll try the Battery Calibration and let you know if it fixes it!