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

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.
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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.
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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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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.
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The problem is that i have the same apps like 3 days ago when i updated. Thanks for your help.
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Related

ROM help

I bin using litening rom v1.5 for like 2 weeks..everything was running fine untill 3-4 days ago my battery would drain in like 3 hours from 100%. After it drained i would try and charge it..it keeps freezing on the battery screen and changing all diff colours lile blue red green. When v2.0 come out i flashed it via odin. I done all the basics like wipe data/cache ect. After it flashed i recalibrated battery..but last night it done the same thing. Any help would be appreciated thanks
Btw when i go to battery usage 'Android OS' says 97%. I dont have any other apps running in the background nor have i changed any settings. Its all stock settings. I dont run any overclocking apps. Only root apps i have are cachemate, titanium and CWM
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Anyone?
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kanefox said:
Anyone?
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Click to expand...
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I always ask rom question in that roms posts .
jje
Wheres that?
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Where you got the rom from in the dev section .
jje
Ive looked around. I dont see no rom questions in the android dev section..i dont really want to post left right and center lol. Basically android os is constantly 90% or higher if anyone can help please do thanks
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Post in the thread you got the rom from.
Also there's no way to help without Screenshot of the graph and list of %'s from about > battery info
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Battery life

I can not write in Omega thread! I write here about battery life.
You can see it from me!
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About time pointless battery threads are banned .
jje
Enisine said:
I can not write in Omega thread! I write here about battery life.
You can see it from me!
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Click to collapse
Did u use Photoshop or something? Or u don't turn the screen at all and touch your phone for these Much time???
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coolnand said:
Did u use Photoshop or something? Or u don't turn the screen at all and touch your phone for these Much time???
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Click to collapse
I did not use Photoshop!
I was surprised when I saw this.
I used easy battery saver!
Enisine said:
I did not use Photoshop!
I was surprised when I saw this.
I used easy battery saver!
Click to expand...
Click to collapse
By looking at the graph it clearly shows phone not being used. No display no calls, just looks like you left it on for 3 days without use

Wont stay off and battery drain

Hey i have two problems. My first is that sgs2 wont stay turned off. I just replaced the charging port and now it wont stay off. My second problem is that my phone has a very bad battery drain. In about 6hrs my phone is 20%. I used Gsam to check what was draing my battery life and it was my Kernel. My kernel is a siyah kernel and its for jb and it says one kernel rules all. Im running Task 650 Aokp jb 4.1.2. Also it gets really hot around the camera. Thanks in advance
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Kjmann81 said:
Hey i have two problems. My first is that sgs2 wont stay turned off. I just replaced the charging port and now it wont stay off. My second problem is that my phone has a very bad battery drain. In about 6hrs my phone is 20%. I used Gsam to check what was draing my battery life and it was my Kernel. My kernel is a siyah kernel and its for jb and it says one kernel rules all. Im running Task 650 Aokp jb 4.1.2. Also it gets really hot around the camera. Thanks in advance
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Click to expand...
Click to collapse
Download BetterBatteryStats and charge your phone completely to 100%... leave the phone alone.. dont use it at all.. keep the wifi and mobile data on for 4 hours+ and post the dump.. check for kernel wakelocks.. partial wakelocks.. to see what is draining your battery..
P.S - some tips.. keep your sync off.. if you are using the fb app.. delete and use it from a browser..
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what is the "dump"
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Kjmann81 said:
what is the "dump"
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Click on the button on the left of the home button and select dump to file.. this dump will be saved in your internal sd card.. make a url of this file via dropbox and post it on the bbs url below..
This dump will contain all the details of what is draining your battery.. and post your dump to the official BBS forum on xda.. people out there will be of greater help..
Here.. http://forum.xda-developers.com/showthread.php?t=1179809
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Im sorry but last question. After i click dump to file where do i find my dump
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Kjmann81 said:
Im sorry but last question. After i click dump to file where do i find my dump
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I answered it in my post.. it will be stored in your internal sd.. in my files..
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ok thanks. And do you have a fix for my other problem
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also i posted my dump
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Kjmann81 said:
also i posted my dump
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Click to collapse
Hey man, this isn't THAT kind of forum.
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Kjmann81 said:
ok thanks. And do you have a fix for my other problem
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Click to collapse
No sorry.. I got no clue abt it..
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dang ok
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Kjmann81 said:
do you have a fix for my other problem
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I'm confused. Do you mean the power button has failed? Or what exactly do you mean by "it won't turn off"?
When I power my phone off it goes off. Then about 10 seconds later it just boots back up. I dont hit a button or anything.
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Kjmann81 said:
When I power my phone off it goes off. Then about 10 seconds later it just boots back up. I dont hit a button or anything.
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Click to collapse
You need to find out if the problem is hardware or firmware related. Since you did some work inside your phone, it may be hardware, but you can test this by flashing back to stock and see if the problem persists.
Also, you didn't say, but wondering if the power button works normally otherwise. For instance, can you use the three button combo to get into recovery, etc.
...and also wondering if you pull the battery then put it back in, will the phone stay off?
It works fine and also the three button combo. I will try to get back to stock bit I tryed something and it kinda worked.
I turned the phone off and locked the screen at the same time and it stayed off. The only bad thing is when i turn it back on it drains to 3% and is stuck in download mode. Since it is stuck in download mode I have to take my case off and the battery out
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Kjmann81 said:
When I power my phone off it goes off. Then about 10 seconds later it just boots back up. I dont hit a button or anything.
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I have the same problem here
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Are you running the same stuff im running
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Kjmann81 said:
Are you running the same stuff im running
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Not, I'm running sho3 with siyah 1.6 i reverted from siyah 1.21 thinking that it was a kernel problem but it is a hardware issue
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OMG!! Well if you find a part to repair this let me know. But did you changing your Kernel imlrove yohr battery life??
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I have a new problem it keeps in car mode when I have not plugged anything
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---------- Post added at 08:40 PM ---------- Previous post was at 08:31 PM ----------
Kjmann81 said:
OMG!! Well if you find a part to repair this let me know. But did you changing your Kernel imlrove yohr battery life??
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A little
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Phone gets hot and battery sucks!

Hey guys...
So thats the problem i am facing with my SG2,whenever im using the phone it becomes really hot. And battery also,i get only like 5-6 hours of on-screen usage and that sucks. I have tried many ways to callibrate it but none worked. Any help would be appreciated. Thanks
Im running Asnet MIUI rom with philz kernel
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Hot is normal because CPU be faster and that's why is hot...
google themselves say that doesn't affect battery life
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Click to collapse
So calibrating is no needed. And stock battery drains very fast I use 3500Mh... I play games with it, on about 1h and my battery is about 80%
Sorry For Bad English.
Can you provide a battery stats screenshot?
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Paulius7 said:
Hot is normal because CPU be faster and that's why is hot... So calibrating is no needed. And stock battery drains very fast I use 3500Mh... I play games with it, on about 1h and my battery is about 80%
Sorry For Bad English.
Click to expand...
Click to collapse
Okay thanks man,but what really bothers is the battery
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krazy1101 said:
Can you provide a battery stats screenshot?
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Click to collapse
Thanks for reply man,i dont know how noobish this is gonna sound but how do i get you the battery stats? As in do i need to install an app or something?
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Paulius7 said:
Hot is normal because CPU be faster and that's why is hot... So calibrating is no needed. And stock battery drains very fast I use 3500Mh... I play games with it, on about 1h and my battery is about 80%
Sorry For Bad English.
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Click to collapse
Man you must be carrying a brick.
Sent from the little guy
Anyone??
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Search for the BetterBatteryStats thread on here. Get the app & install it. Let it run for a few hrs. Post logs/screenshots.
Pro tip - No bumping threads shortly after making them. Make a thread, wait patiently for a response.
Could You please post some screenshots of cpuspy?
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jakuburban said:
Could You please post some screenshots of cpuspy?
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Hi - I think I sussed this one once and for all: http://forum.xda-developers.com/showpost.php?p=42491486
Let me know how you get on.
CPU spy screenshot
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gastonw said:
Man you must be carrying a brick.
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No, Just a little bigger not much... I can photo if you want
Abdl said:
CPU spy screenshot
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Was your phone display turned off ?
If yes then program/programs use phone in deep sleep you need betterbaterystats and Look what using so much processor If you was using phone then It's normal. And you can't change nothing about battery only Dorimanx/Syiah Kernel and use Stweaks...
You made this screenshot after leaving the phone for 12 min display turned off?
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jakuburban said:
You made this screenshot after leaving the phone for 12 min display turned off?
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I dont think so,i was using it partially for about 30 mins after unplug then i took screenshot
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Paulius7 said:
No, Just a little bigger not much... I can photo if you want
Was your phone display turned off ?
If yes then program/programs use phone in deep sleep you need betterbaterystats and Look what using so much processor If you was using phone then It's normal. And you can't change nothing about battery only Dorimanx/Syiah Kernel and use Stweaks...
Click to expand...
Click to collapse
No,it was not totally turned off,partially on and off....will upload BetterBatteryStat soon
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Yes, then problem with one/more program/s so look into BBS...
Here is battery stat,according to my battery+ app i have unplugged since 2hrs19mins ago
And here are battery stats,i hope thats what youre asking for
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Do you have root ? If have go to Patrial wakelocks and post SS here And your screen was 30 mins Turned on
Paulius7 said:
Do you have root ? If have go to Patrial wakelocks and post SS here And your screen was 30 mins Turned on
Click to expand...
Click to collapse
Partial wakelocks
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[Q] Pure™-Mods

Hey guys, can somebody please tell if the Pure™-Mods from the S5830-thread work for our device too?
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They will, but in my opinion I won't recommend it. Battery will drain faster. Try Fly-On or Adrenaline Engine.
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Okay, good to know, thanks
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GiluxVanAce said:
Okay, good to know, thanks
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Well. Thats not true i have been using my phone for 2 days now with all pure mods and thunder kernel
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GingerBreadCookie said:
Well. Thats not true i have been using my phone for 2 days now with all pure mods and thunder kernel
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Well I have tried it and battery has gone worse. And many ppl tried that script and got worse battery life too and don't recommend that script.
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Im using the PurePerformance-Siri Edition and the PureGraphics HD mod since yesterday in the morning and i didn't charged my phone. I still have 18% battery, that means the battery life got better for me. And the perfomance is really better, playing games makes now more fun than before I am using the CyanMobileX rom with thunderkernel, maybe it's because of this
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