Develop Bugs

Weird battery activity

So I charge my phone all night, take it off the charger to go to work at 6am by 3pm my battery is at about 8 percent. Here is where it gets funny, if I turn the phone off then back on I have about 59%. How does that happen
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Sorcery. That's how.

I'm guessing the reason your battery gets drained so quickly is because of the poor network coverage.
Could you also provide a screenshot of the apps/programs/hardware that have drained your battery? By that I mean the screen you see after hitting battery under settings.
The fact that it goes up so much after a reboot is very weird indeed. It usually happens the other way around with mine, the battery level drops about 15% for me after a reboot, which I also find weird.

I have had the same expierence with my phone as well. Dont understand it either.

I suggest you use a battery calibration app or s-off/root and install Clockwork Mod recovery to clear your battery stats and run a few cycles. Your phone doesn't know where full is and can't detect it as well as we'd like.

Sent from my Galaxy Nexus using XDA App

I think you need a battery calibration. Before i calibrated mine would drop 10-15% sometimes but now it is good. I would also add expect a small margin of error if you were using your phone heavily and it is warm/hot and you reboot. Some people report, myself included, that you might see a slight spike after your phone cools down.
My grandma beat me down and took my nexus. Sent from a jitterbug with beats by dre.

Battery annihilation

Sooooo a few days after having the greatest day in battery history, my device decided to go the polar opposites and NOW SUCKS BALLS!
I will post battery stats pics later but to give an example; my battery is now at 39% almost no use and only being idle for 5hrs. Also after a full night of charging my phone would only be at 88%. I keep my display at zero and my wallpaper is solid black. I am currently running the Blend 2.6.2 and have been for a while with no issue.
The only thing strange prior to the issue was I tried flashing the new hitman kernel and it was a mess. I tried via cwm and Odin and both failed. I then went back to stock and started over and all is normal...save this battery nightmare.
I previously did not wipe battery stats due to the controversy surrounding it but decided to let it die, fully charge, and wipe b stats. The result is the same. Today I did get a full 100% charge but a meer 5hrs. later....39%.
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Sent from my SPH-D710 using xda premium

UPDATE!
I installed VCS RL5 and the battery is running normal.

Gorguts said:
I installed VCS RL5 and the battery is running normal.
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Happy to see the issue sorted itself out!
Sent from my Super Sexy Epic touch.

SuperSwagSauce said:
Happy to see the issue sorted itself out!
Sent from my Super Sexy Epic touch.
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What bugs me is I like BLEND and I did reinstall it and the problem was still there. I guess blend suddenly hates my device.

Huge battery drop when rebooting phone?

Has anyone else had this issue of a huge battery drop when they restart their phone?
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It has only happened to me when I restart because of the phone freezing. Im running an ICS rom.

crzchn said:
Has anyone else had this issue of a huge battery drop when they restart their phone?
Sent from my SPH-D710 using Tapatalk
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It happens every now and then. What did you last change on your phone before the battery drop?
I just had one a couple days ago when switching to Calkulin's 1.1 ICS...after that drop, I recharged that night and the next day got 13 hrs or so with 54% battery still remaining. I think that, if you change your rom and then the drop happens after your next reboot, it just means that the original battery percentage was off and it's now corrected...
In short, I think it's nothing to worry about unless it's happening frequently.

my phone is stock and has been for quite some time. I like to power down sometimes to save battery or to not be distracted.
Sent from my SPH-D710 using Tapatalk

OP this seems to be a known issue... I asked a question along the same lines a couple of weeks ago, and had a quite a few responses. Here ya go:
http://forum.xda-developers.com/showthread.php?t=1520830

The only time this ever happened to me was when my phone would reboot on its own due to a system crash but when I would reboot it again manually the battery stats would be back to what they were maybe 1-2% less.

It happens sometimes. I believe it has something to do with the Maxim fuel gauge chip in SGS2 phones. Sometimes reboots throws the battery stats off, but your phone doesn't actually lose that much charge. I've actually seen my battery % climb after a reboot. Wiping battery stats usually fixes the issue, as does charging to full of course.

Why is "phone" using so much battery?

I'm wondering why this is happening, I've only made like two phone calls today, is this normal cuz i don't remember ever seeing phone draining that much battery.
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I am running stock rom and kernel
Sent from my SGH-T989 using Tapatalk 2

And betterybatterystats is showing some from the phone called sec-ril is what's killing battery. What the hell is that?
Sent from my SGH-T989 using Tapatalk 2

you were talking with screen on... so 2 hours of screen time with 1:50 of phone time is kind of normal.

Vlad_z said:
you were talking with screen on... so 2 hours of screen time with 1:50 of phone time is kind of normal.
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No I was not talking at all, i made two quick phone calls and that's it, and phone had never showed up using that much battery. Anyway I flashed darkside cache wipe and that seemed to fix it
Sent from my SGH-T989 using Tapatalk 2

elflip88 said:
No I was not talking at all, i made two quick phone calls and that's it, and phone had never showed up using that much battery. Anyway I flashed darkside cache wipe and that seemed to fix it
Sent from my SGH-T989 using Tapatalk 2
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Hows your reception? I know if i dont turn on airplane mode while at work "Phone" shows up just like yours does. I realized its cause i would constantly go in and out of service and when im out of service it would stay awake and never sleep. Plus at my dads house, HSPA is really weak, so i either must force 2G or 3G in order for my "Phone" to stop chewing up battery.

Deep sleep issues

Sometimes I have noticed my phone does not deep sleep and runs continously at 200Mhz.. This happens randomly and I can't figure out what triggers it. I have checked BBM and there is no partial wakelock reported as well. So this is no app issue. When I go to my battery stats, the Android OS is the one keeping my phone awake for multiple hours on end. I have tried changing roms and kernels and I get the same problem once in a while. Is this a bug with the new 4.3 I update? It's important to note that this will happen randomly.. Some days it's fine other days it will start acting up... The only fix is to reboot.
Any ideas?
Sent from my SGH-T889 using xda app-developers app

luv4greenleaves said:
Sometimes I have noticed my phone does not deep sleep and runs continously at 200Mhz.. This happens randomly and I can't figure out what triggers it. I have checked BBM and there is no partial wakelock reported as well. So this is no app issue. When I go to my battery stats, the Android OS is the one keeping my phone awake for multiple hours on end. I have tried changing roms and kernels and I get the same problem once in a while. Is this a bug with the new 4.3 I update? It's important to note that this will happen randomly.. Some days it's fine other days it will start acting up... The only fix is to reboot.
Any ideas?
Sent from my SGH-T889 using xda app-developers app
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Try this first and see if is going to work.uncheck this box..
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could you post those stats so we can tell whats going with your phone?

I believe that [pmp_hsic_pm0] thing is making his phone to stay awake.
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