Battery Issue - Android OS draining battery

ido1985

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Dec 2, 2012
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Hello all,

this is my first post here. at some point my android os became the #1 battery drainer on my nexus 4 and i'm not sure why or
if its the way its supposed to be.
below are screenshots.
i have a live wallpaper (galactic core), could that be the reason for 34%??

thanks!
 

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sidamos

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Oct 18, 2012
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I also have high Android OS, although not higher than the screen. But it's on 2nd place, where with my GNex on 4.2.1, it's normally on 4th place or lower.
 

Hubertsng

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Dec 4, 2012
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I'm not sure but if you still have 40% of battery left with two hours of screen time, that's pretty good. Could it be the GPS and wifi?
 

ido1985

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yeah im not complaining generally about battery time - just specifically on this percentage, since about 2 days ago the android os was some single digit percent, and suddenly it jumped to this, so i keep thinking i did something to mess it up.
i have since set wifi to off when in standby, i guess ill see if that helps only later on.
 

Hubertsng

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yeah im not complaining generally about battery time - just specifically on this percentage, since about 2 days ago the android os was some single digit percent, and suddenly it jumped to this, so i keep thinking i did something to mess it up.
i have since set wifi to off when in standby, i guess ill see if that helps only later on.

The GPS and Wifi bar is covering the entire length almost.
 

moopuna

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Having the exact same problem... started noticing the android os percentage spike a day or 2 ago... it usually was a single digit and now is at 38% with 3h 12m Keep Awake time. Dont know what the hell has happened?
 

17veen

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Having the exact same problem... started noticing the android os percentage spike a day or 2 ago... it usually was a single digit and now is at 38% with 3h 12m Keep Awake time. Dont know what the hell has happened?

Same here. Its been a couple days since my android os has been higher than usual. I get less screen time now because the os is draining a significant amount of battery.

Sent from my Nexus 4 using Android Central Forums
 

Dr0me

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this is a known issue right now.. Google is working on a fix for it as we speak.

basically there is a problem with the kernel that keeps the phone awake when it should stay in a deep sleep to save battery. there are threads about it on XDA and qualcomm even released a patch for their chipsets. I have found that turning off google now and increasing the time window for apps to check for notifications helps mitigate it. obviously this is not ideal but could be a work around until an OTA fixes it. There are also some custom kernals such as franco that claim to have fixed it.


Issue 41855 - android - "msm_hsic_wakelock" process on Nexus 4 causes severe battery drain - Android - An Open Handset Alliance Project - Google Project Hosting


Google Groups
 

dency45

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Screenshot_2013-03-05-06-57-06_zpsa7686ea2.png


i experienced this too. my nexus 7 is 92% charged then i woke up after 7 hrs, my nexus 7 is asleep then it went down to 74%.
 

gemst10

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Not sure what's going on with mine. Took it off the charger at 6 am put it in my pocket and drove to work. Looked at it at 7:30 and the battery had drained to 92% and the battery indicator showed it was still attached to the charger. Android OS is the big drainer.

uploadfromtaptalk1362496822034.jpg
uploadfromtaptalk1362496848971.jpg

And check out the charge activity between 4 and 5 while it was on the charger and I was asleep.

uploadfromtaptalk1362496932846.jpg

Sent from my Nexus 4 using Android Central Forums
 

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