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Battery use; Android OS / Android System

Discussion in 'Android Devices' started by francismi, Oct 25, 2010.

  1. francismi

    francismi Lurker
    Thread Starter

    Hi,

    I have a big problem with my nexus one phone. The battery life of my phone is very bad (only 12 hours, with NO (app) USE! (only text messaging!))
    I think the problem is that when I check "Battery Use", the "Android OS" is getting 70% (and more, up to 93%!) of my battery use...
    What can I do? I've seen other topics with this problem, but there always is a special app that's the problem. I've reseted my phone several times, so no new apps installed, and I still have the problem...

    But sometimes, "Android OS" isn't running in the Battery Use, only the "Android System"... But once Android OS has started, it climbs up to 70-80-90%...

    Thanks!
     



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  2. Deleted User

    Deleted User Guest

    Are you running your N1 stock or do you have a custom ROM?
     
  3. shttw

    shttw Newbie

    Weird, mine is always the screen which hits around 75% (making photons is expensive) OS seems to use about 3% (which is slightly less than the live wallpaper).
     
  4. macprv

    macprv Android Enthusiast

  5. francismi

    francismi Lurker
    Thread Starter

    The weird thing is that I've done already 2 resets, and the problem stays, so with no new apps installed...
    I have the normal 2.2.1 version.
     
  6. macprv

    macprv Android Enthusiast

    did u do it the way he mentions? or just the factory reset from the menu's settings?
     
  7. francismi

    francismi Lurker
    Thread Starter

    I've did it the way mentioned, power+vol down+home, and again; the problem stays...
     
  8. Rusty

    Rusty Android Expert

    Thing is, it's a %age of use, so if you are doing nothing with the phone, then the OS (which is always running, of course) will always have a high number.

    Anyways, onto the more advanced stuff, dial *#*#4636#*#* and goto Battery history.

    Have a look at the 'Running' % figure. It shouldn't be all that high (mine is currently at 12% for instance), if it is high, change the top drop down box from 'Other usage' to 'Partial wake usage' and see what's stopping the phone from sleeping.

    Ps. The default setting in there is 'since last unplugged' so if it's just come off charge/usb you might want to pick one of the other options.
     
  9. locus

    locus Member

    Do the *#*#4636#*#* go into phone information scrol down to Set preferred Network type and select GSM Auto (PRL). It improved my battery
     
  10. francismi

    francismi Lurker
    Thread Starter

    The only special thing I can see is that in the CPU usage "init" is very very much more than others...
    But what is "init"?
     

Nexus One Forum

The Nexus One release date was January 2010. Features and Specs include a 1400mAh battery, 3.7" inch screen, 5MP camera, 512GB RAM, and Snapdragon S1 processor.

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