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I'm using Samsung Galaxy S4 with Android 4.4.2, for about 5 months.

I've experiences before some problems with battery, like sudden crashes when using apps intensively using graphics, but today the battery started to be discharged very rapidly, 10% an hour, or even more, without device being used. I've found out, that Android System and Android OS are responsible for that carnage. But after restart and charging the phone I've found out, that Exchange Services has also significant part in it.

After browsing internet I've found topis like that: https://code.google.com/p/android/issues/detail?id=37437 suggesting, that Android OS/System battery drainage is connected with Exchange Services. But that topic is very old, and people are writing about older version of Android.

Can this behavior be connected with the linked issue? If so, why it happened now, and not previously? Can the previous crashes of Android be somehow connected with ExchangeServices behavior?

Can I do anything now to prevent at least memory drainage? It renders my phone unusable as mobile device...

  • If you are rooted it might be the ROM, but it also could be the battery itself having a hardware issue too I would imagine. Can you uninstall whatever is using exchange and see if it helps? It's odd that it is crashing and having issues with graphics. What I would try is: New ROM for a few days, then try another battery, then restore a nandroid backup of your current setup and see if anything changes / reverts back to normal. If your battery serial number starts with BD then it could well be faulty and samsung recalled that batch, you are entitled to a free replacement. – RossC Mar 25 '14 at 14:56
  • @RossC you mean this: forum.xda-developers.com/showthread.php?t=2504093 however, my battery is BD1D6XX, so without that range. But there ARE significant problems. – Danubian Sailor Mar 25 '14 at 20:14

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