Android system battery drain (knox and Facebook)

Andyvalver

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Jan 11, 2013
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Today my battery decided it wanted to drain really quickly. Down to 50% after half the day with hardly any use. So I get home and charge it to 100%. It's now at 90% and I've been using it. But the screen is not top of the usage. It's Android system, Facebook and Facebook messenger, which have not even been opened since I took it off charge. Also, knox had taken up 72mah of the 80mah that Android system had used. What's going on? I did a soft reset, deleted knox cache and all that.

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haganjeff

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Nov 20, 2011
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Same exact situation from me. Never saw a battery drain so quickly. I posted this in another thread:

Facebook and Messenger took my phone from 100% to 15% in 3 hours. This just started today..100% CPU usage. I tried force stopping and rebooting with no affect. I uninstalled both Facebook and Messenger and things are starting to settle down. Apparently this is widespread based on Google searches.
 

Andyvalver

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Jan 11, 2013
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I lost my temper with it in the end and did a full factory reset. Now it's alright. Made a point of installing less apps than before and have resorted to using metal pro (Facebook alternative) instead of Facebook. It includes messenger too.
 

Tsepz_GP

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Apr 20, 2013
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Yep, it was a server side issue with Facebook. I also uninstalled Facebook and Messenger, I went with Swipe Pro.

Facebook need to get their stuff with their apps, this is getting ridiculous.
 

Running_Running

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Feb 13, 2017
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Thank you! I uninstalled the facebook messanger app (didn't use the main facebook app, only in browser), and now I've been on 100% battery for an hour on the next charge. I was so frustrated after needing to charge after a shift at work where I barely used it.
 

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