Why is the battery life draining so fast? Really stuck and fed up.

doddy1000

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Feb 16, 2015
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Hi,

I bought a Samsung Galaxy S5 about three months ago. All was working fine until last week when the battery started draining really fast. I didn't install any new apps at all. It did tell me that MediaServer was running quite a lot, although I hardly play music from my phone. Anyway, I decided to do a factory reset and deleted all of my information, music and apps on my SD card in case of a corrupt file. This didn't work. My battery wasn't even lasting 8 hours.

I read into this some more and reset the cache partition. I found this worked slightly, although it still wouldn't last up to 9 hours. Since then, I have installed battery doctor. Once again, this is a slight improvement but it still doesn't get me to 10 hours. The phone is still rooted and I don't want to change this for warranty purposes. I have reduced the screen lighting to -3 to try and save battery, but again, this has failed.

When I load up the battery manager, it tells me the following:

Screen: 25%
Android System: 25%
Facebook: 14%
Android OS: 14%
Cell Standby: 5%
Wi-Fi: 3%
Messenger: 3%
com.android.systemui: 2%
Mediaserver: 2%

I use facebook occasionally, but even so, I don't want to stop using the apps that I bought the phone for.

Any help would be really appreciated. I have purchased another battery which is on the way, but I am worried that it is something within the phone itself which is causing this problem.

Any ideas would be extremely appreciated.

Kind regards,
Adam
 

Golfdriver97

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Dec 4, 2012
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Sorry for the delay in answering your question, but if you have an SD card, try this: power down your phone, pull the card out, and reboot. Go without the card for a day and see if that helps.

From an AOSP M8
 

doddy1000

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Feb 16, 2015
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I literally tried that just before your post and it's a massive improvement! It is normal again! I assume the sd card is corrupt. Thanks for the advice. Really appreciate. It confirms for me what I did. Thanks again :D