Is my s2 charging by itself?? - Galaxy S II Q&A, Help & Troubleshooting

As per by 9pm my phone flashed up with 5% battery remaining so i put it down to try and make it last the rest of the night. I just went back to it now to find the battery was upto 8%. I know its hardly a big increase but it even shows up on the battery graph that it has increased, you can see that it hasn't been on charge.
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Anyone else had this happen?
Sent from my GT-I9100 using XDA

pretty sure it violates some law of physics for a battery to self charge :O
its probably a software glitch where the phone thinks it has used more battery than it actally has then it rechecks and realised it hadnt used that much.

adamsmth663 said:
pretty sure it violates some law of physics for a battery to self charge :O
its probably a software glitch where the phone thinks it has used more battery than it actally has then it rechecks and realised it hadnt used that much.
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Basically. The battery graph is more of a guess of how much you have left based on current usage. If you use it a lot it will think it has a lower battery percentage. When you stop using it it adjusts itself. It has to do with voltage going in and out and all of that technical crap but this is the gist of it.
Sent from my GT-I9100 using xda premium

Mine did the same a few days ago, I loled . I agree with josh

remove battery and it would sure be at 3% 4%....

Happens to me quire a bit but mostly on reboot or flashing. Battery can lose as much as 30% but leave it untouched and it starts to increase. As Josh said it can also happen due to intensive usage.
Sent from my GT-I9100T

Related

some help regarding wakelock!!!

no matter what i do, my wakelock problem never goes away
here's my latest screen shot after a fresh flash (used fastboot too) of Darkside, nothing installed, just syned with google.
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and here is my bbs ss
please someone give me some advice on how to solve this problem. I mean after a full wiped flash the phone still not able to sleep properly?
I'm currently using Darkside 3.2.0, faux latest kernel...
10% over 7 hours, ~1.5% per hour, looks like good battery life to me?
turl1 said:
10% over 7 hours, ~1.5% per hour, looks like good battery life to me?
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Thats exactly what I was thinking
Don't be concerned about wake locks if you get awesome battery life
sent from my Atrix via XDA premium
are your radios updated ?
Sent from my PC36100 using xda premium
First of all thanks for the replies.
I know its not the worse possible battery drain, however data was off last night as I wanted to c if my phone actually goes to sleep.
my other android phone drained maybe 2% overnight with data off, so 10% seems a lot to me...
I have an international ATRIX and m using the latest radio (100.00 something like this) and no matter which rom I flash (aura cm7, and now darkside) the phone just stays awake.
With light use it lasts a day, but ideally 2 days is what im looking for!
Thanks for reading guys

Failed .15 update from .14 equals better battery life?

Like the subject said. I've got an unrooted (my lazy ass haven't gotten around to it yet....) TFP running .14, went to go update yesterday morning only for it to fail after looking at the poor guy lay on his back with his panel open for half an hour. Not a big deal in and of itself, but my battery life has increased drastically since, with no change of use or settings. Same start up programs, same power settings, nothing uninstalled/reinstalled, nada.
Not that I'm complaining here, but any thoughts? I'm kinda scratching my head here...
The placebo effect gets another one.
Sent from my tablet thing with XDA Premium.
jdeoxys said:
The placebo effect gets another one.
Sent from my tablet thing with XDA Premium.
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I'd hardly call an average of an additional 2 hrs of life a placebo effect. With WiFi on for duration, moderate internet use for video conf, and heavy note taking I would avg ~7 hrs from 100%-dead. Since yesterday morning, ~9 hrs between charges.
placebo effect my ass.
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The absolute most it did was 'bump' charge your prime, nothing more. You'd probably get the same result from fully charging, powering off, then let it charge for a while again.
I considered that, but that's exactly how I charged it for the first week I had it last month (since I'm old school and still condition my batteries). Literally nothing has changed in the last month as far as use goes. I dunno, maybe it's just a damned fluke.

Verrrry bad battery life??

Hey guys I'm on the 3.14 leak cleanrom developer rom. I've always had bad battery life but I heard this may help. I am using the extended battery.
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why is my battery life so bad. I can't make it through a day with the extended battery
Sent from my ADR6425LVW using Tapatalk 2
how long is your screen on all day?
thatsricci said:
how long is your screen on all day?
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Not too long. I use it regularly texting mainly but maybe some music streaming but not gaming it video streaming
Sent from my ADR6425LVW using Tapatalk 2
i mean, press the "screen" on that screenshot you have given us and tell me the screen-on time...
my guess is something isn't being reported on there...
I have been experiencing the same problem with this phone since I got it, no matter what rom I'm on. While its off, it is fine. It will last for several days with the screen turned off. Once the screen is on it eats up 2-3% per minute. With an extended battery it will show the screen as taking up 99% of the battery and screen on time will be around a half hour.
i dont know what you guys are doing. im running 3.14.605.5 and clean rom 1.4 dev edition and im getting 24 hours on battery life and 4-5hours screen on time. how long have you been running it, it seems to take about 3 days for me for the kernel to settle and the battery stats to compile.

Regarding Settings > Battery

Hello guys, I'm trying to figure our how much my battery can last on one charge, but I'm having a problem in the
Settings> battery,
Where it is supposed to show the usage.
Every time I charge the phone and plug it out, the graph doesn't reset back to 0 hours and just keeps on adding on the total time the phone is on. You can see in the graph the battery percentage keeps going up and down, I can't get it to reset on every time I unplug it from the charger, even by pressing refresh.
Is this a bug for me or is there a proper way to do it?
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Sent from my GT-I9300 using xda app-developers app
Sent from my GT-I9300 using xda app-developers app
I have Canadian version of S3 and battery drain is very high, phone is so warm not easy to carry around comfortably, anyone had same issue?
phonecurious said:
I have Canadian version of S3 and battery drain is very high, phone is so warm not easy to carry around comfortably, anyone had same issue?
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Hard to evaluate first part because only you know how intensive you use it. However, the bolded part concerns me. Could be a dud? Mine definitely gets warm especially here (check my location) but not hot by any means. Btw, do you have Infrared Thermometer by any chance?
Battery report only resets when your battery reach 90%+ and you unplug it

battery question

Just wondeirng if this is right or not but not long after I take my phone off the charger the battery drops to 99% without me doing much. Is this normal? Cause on my G2 it took awhile for the battery to drop to 99% but when it did it starting dropping fast.
mbergh22 said:
Just wondeirng if this is right or not but not long after I take my phone off the charger the battery drops to 99% without me doing much. Is this normal? Cause on my G2 it took awhile for the battery to drop to 99% but when it did it starting dropping fast.
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How many hours is your battery lasting on an average day?
I just got the phone on s
Saturday so it's hard to say. I was just wondering about the instant 99% after unplugging.
Sent from my SGH-T999 using xda premium
It usually will last a little while on 100% for me but I believe it didn't start to until a few battery cycles later. Even though the battery shouldn't need to be conditioned. It seems to have helped on this phone.
Ghostalker08 said:
It usually will last a little while on 100% for me but I believe it didn't start to until a few battery cycles later. Even though the battery shouldn't need to be conditioned. It seems to have helped on this phone.
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Agreed, this is what my phone did as well. It took maybe 3 or 4 cycles before it starting not irritating me with short battery life
Same for me!
stinkynoon said:
Agreed, this is what my phone did as well. It took maybe 3 or 4 cycles before it starting not irritating me with short battery life
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Yeah, mine seemed to take about 4 cycles as well... No problems now!!
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