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[Q] Phone Incorrectly Reads Battery Level

OP anthonyherbz

11th March 2014, 06:18 AM   |  #1  
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Hey all, I'm in need if some advice/help. My Galaxy S3 seems to be incorrectly gauging how much battery life it has.. For a better explanation, here's a familiar scenario: phone is 100% and will slowly keep creeping down by a percent with little to no use. In a few hours it "dies." If I leave it for a couple of minutes or do something like take the battery out however, it'll have a reading of 36%. I can do this several times in a row! Another instance is say it was at 100% and drops down to 80% in an hour or so. If I leave it in standby the battery level will actually start creeping back up after a couple of minutes.

I have tried these steps and suggestions to combat this problem:
  • flash to CyanogenMod
  • buy an extended battery
  • calibrate the battery with apps
  • wipe battery stats

I've run out of ideas short of bringing the phone in to T-Mobile and have it replaced. Google searching has turned up pretty fruitless so I'm asking here before I make anymore moves! Thanks for all the anticipated help.
Last edited by anthonyherbz; 11th March 2014 at 04:22 PM.
11th March 2014, 05:57 PM   |  #2  
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Please do a factory reset and leave just the Rom and Gapps. Nothing else on there for a some time to experiment.

Please install BetterBatteryStats from the Play Store. Make sure to enable Root Features from under settings >Advanced Settings > Enable Root Features checkbox.

Next reboot the phone and then leave it alone for some time. Preferably overnight. In the morning, hit the Share button in upper right corner of the app. Choose text as the output format. It will save a text log in /SDCARD folder. Attach that here.
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12th March 2014, 11:06 AM   |  #3  
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ok I will try this
13th March 2014, 04:15 AM   |  #4  
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Currently letting my phone run the tests. Just out of curiosity I have noticed something funny already. With 55m 49s on battery, it says Wi-Fi has been running the whole time (100% ratio), and I definitely have Wi-Fi turned off.
13th March 2014, 04:33 PM   |  #5  
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Quote:
Originally Posted by anthonyherbz

Currently letting my phone run the tests. Just out of curiosity I have noticed something funny already. With 55m 49s on battery, it says Wi-Fi has been running the whole time (100% ratio), and I definitely have Wi-Fi turned off.

There are variety of reasons. Please Turn off Google Location Reporting.

Please post a log as I described before.
14th March 2014, 04:49 AM   |  #6  
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Here's the log from BBS
20th March 2014, 03:35 AM   |  #7  
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Four hours idle. Sorry for getting back so late... School is very busy!
20th March 2014, 05:26 PM   |  #8  
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Facebook and Google+ are really chewing your battery. Please remove both apps. Use their mobile websites instead. I know its not as good but your battery will thank you.

Please reboot after removing both and then provide another Idle Log. There are additional issues.
24th March 2014, 07:50 PM   |  #9  
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Here's another 5hr log. Thanks for sticking this out with me!
24th March 2014, 09:18 PM   |  #10  
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Quote:
Originally Posted by anthonyherbz

Here's another 5hr log. Thanks for sticking this out with me!

This looks pretty good. Please get the app called "Kill Mediaserver" and use it as the name says. If possible, copy everything from the external sd card onto a pc, format that card to FAT32, then copy everything back to the card.

You do realize, you have Google Now. Please understand it will have a hit on battery. So long you are aware of this, keep it. Otherwise freeze it. Earlier in this thread, @Karpfenhai has posted a mod for Google Play service. Use it please.
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