Battery drain - Galaxy S II Q&A, Help & Troubleshooting

Hey ,
Guys I have major battery drain :/ im losing like 10% an hour with little use and when it's on stand by at night it loses 50-60% at night... help?
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some info on what rom you are??

Im on NeatROM lite 4.4 btw
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did you check your signal strength?
could be a modem problem?
did you try to clean battery stats?
screenshot of battery use could be helpfull...

Im on neatrom lite 4.4, no one else has this problem, using siyah v6 b5 kernel
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and again.....
did you check your signal strength? could be a modem problem
did you try to clean battery stats?
screenshot of battery use...

I might be expecting too much from my battery but it really feels like I have not got much battery considering how much I use it...
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I haven't wiped my battery stats yet but my signal is fine so far
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stats on apps battery use pls

Related

[Q] SuperROM's Problem [I9100G_DZKJ2]

I have some problem to ask about the SuperROM:
I flashed SuperKernel and SuperROM for 1 day and half.
I also deleted some system apk that I don't really use.
For first, the battery life are very nice, the battery drop 1% for standby mode with open 3G(GSM mode) by around 3 hours.
But after full charged, calibrate battery, that some weird problem.
Before I sleep show 96%, when I wake up the battery drop 82%.
That mean, battery life drop 14% by 7hrs, so different by early 1% for 3hrs.
It is normal or there are some issue there?
Can some ask Superatmos come here view too? Because i cannot post comment on his thread
Hummm...u hav try it for how many days?cause sumtime the new rom need some time to stabilize..
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That mean, battery life drop 14% by 7hrs, so different by early 1% for 3hrs.
It is normal or there are some issue there?
You have some apps working during sleep .
Use better battery stats look at wakelocks .
Check rom page for update .
jje
i had try superrom,but my camera not working...
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which superrom you use??
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i use version 2.0...
before i had tried the latest rom...but too many bugs and some of system apps did not working...
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raff28 said:
i use version 2.0...
before i had tried the latest rom...but too many bugs and some of system apps did not working...
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Click to expand...
Click to collapse
Used superatmos kernel v2.0 and superrom v2.0...
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Try flash superatmos 2.0 again...
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raff28 said:
but too many bugs and some of system apps did not working...
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Click to expand...
Click to collapse
Install Superrom v1.1 Samsungapps...
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Ok..thanks bro...so far the performance was great...battery can last longer than before...
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raff28 said:
Ok..thanks bro...so far the performance was great...battery can last longer than before...
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Click to expand...
Click to collapse
Wlcome..
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[Q] why does my battery do this?

Hi, im currently running cm9 and my battery life is awful, but it drops and goes up alot, like i could reset my phone and it would jump from 5% to 30%. Ive tried wiping battery stats. Its like this on a daily basis. Anyone know a fix? Thankyou
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rossm1873 said:
Hi, im currently running cm9 and my battery life is awful, but it drops and goes up alot, like i could reset my phone and it would jump from 5% to 30%. Ive tried wiping battery stats. Its like this on a daily basis. Anyone know a fix? Thankyou
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Click to expand...
Click to collapse
How many battery cycles have you given your device? Try to reset the fuel gage chip in extweaks or xxtweaker depending on your kernel.
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It gets a full charge everynight and ive had the same rom for over a week now. Where can i get extweaks? Thanks
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rossm1873 said:
It gets a full charge everynight and ive had the same rom for over a week now. Where can i get extweaks? Thanks
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Click to expand...
Click to collapse
Are you on Siyah kernel? Www.gokhanmoral.com (make sure it's for the s2 and not s3)
Then download extweaks from the play store.
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kilometers4 said:
Are you on Siyah kernel? Www.gokhanmoral.com (make sure it's for the s2 and not s3)
Then download extweaks from the play store.
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Click to expand...
Click to collapse
Im not at the minute but ill download siyah and try extweaks. Thanks for your help
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Is this normal for SGS2..??!!

Guys please help me.. I am gonna go crazy because of the battery performance .. the picture attached can explain my problem.
I am using wanam 12.2 UHLPS WITH SIYAH 4.0.1
I tried battery calibration.
Please heeeeeelpppppp
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ahmad_zakout said:
Guys please help me.. I am gonna go crazy because of the battery performance .. the picture attached can explain my problem.
I am using wanam 12.2 UHLPS WITH SIYAH 4.0.1
I tried battery calibration.
Please heeeeeelpppppp
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Click to expand...
Click to collapse
Yes why not?
Screen takes the most out of the phone and if brightness is high, this would be normal ...
I get about 3½ hours screen out of a charge with mixed brightness.
How much do u use when idle (sleeping)?
ahmad_zakout said:
I tried battery calibration.
Click to expand...
Click to collapse
Do you mean that you reset the fuel gauge chip or just cleared batterystats?
I've reset the fuel gauge .. here is the update ..picture attached
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ahmad_zakout said:
I've reset the fuel gauge .. here is the update ..picture attached
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Click to expand...
Click to collapse
Yeah man it's totally normal .!
The brightness is auto.. during sleep it takes like 10% to 20% without touching the phone
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What's your battery life on stock ROM? Same?
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Use CPUSpy to check if your phone goes to deep sleep when not used and since you are using Siyah use ExTweak to tweak ur Kernel frequency step and power management.
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Is this the first battery cycle after you flashed it? If yes, you need to give it at least three before you judge the battery life.
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Help

Can someone plz give me the link for the jb stock battery I have changed it to omega battery and I'm on jb hd 11 .. its bugging and doesn't show the correct battery percentage
Really appreciate it guys
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i suggest you charge to 100% the battery and then wipe battery stats via recovery
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Battery drain

After updating my s2 to 4.1.2. Something sucks my battery incredibly... i have power saving options ON and juice defender... i don't even used it....
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Re: Baterry drain
Okay. First: you got no question but posted just a statement.. Second: how should we know what's the cause of this? There are plenty of threads about battery drain in JB, so I suggest you read them first. Good luck.
Sent from the Matrix
Get rid of Juice Defender for a start. That app was created purely to Hoover money from n00bs in the case of the paid versions & to lull n00bs into falsely believing the app actually makes a difference to battery life (all versions including the free one).
Re: Baterry drain
Sorry, my fault. Any suggestion?*
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Re: Baterry drain
robin961 said:
Sorry, my fault. Any suggestion?*
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Click to expand...
Click to collapse
Yes, start reading. Seriously, there are tons of information available from people who face the same problem as you do.
Sent from the Matrix
Re: Baterry drain
What do you think Deep Sleep is useless too?
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Re: Baterry drain
Hey, robin, OS is draining tha hell outta you device, check the apps you've installed and the services that are running on background.
How? Listen to donnie.
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Re: Baterry drain
robin961 said:
What do you think Deep Sleep is useless too?
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Click to expand...
Click to collapse
What do you mean? I hope you're not asking again about the causes...
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Re: Baterry drain
thank you Gastonw i check it
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You do that, and read some threads.
Sent from the little guy
The problem is that i have the same apps like 3 days ago when i updated. Thanks for your help.
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