S3 Battery from 100% to 0% overnight

[dknobs]

My battery now drains at the most ridiculous speed. I have suspicions that it may have to do with a recent update, because that's the only thing that has changed recently, but I wouldn't know how to uninstall something like that. I used to be able to go 1-2 days without charging, but now it dies overnight. I did a test just to make sure - charged it to 100%, went to bed, woke up, and the phone was dead. I took a screenshot of the battery page... I have NOTHING on. No apps, no gps or wifi... NOTHING. It simply drained itself while being idle over 9 hours. Please help?

 

[GSDer]

GSam Battery Monitor Pro: http://market.android.com/details?id=com.gsamlabs.bbm.pro will give you a good breakdown of your cellular signal, which can kill your phone in no time flat.

Wakelock Detector: http://market.android.com/details?id=com.uzumapps.wakelockdetector will help to identify apps that are keeping the phone awake rather than letting it enter deep sleep.


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