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Support Marshmellow update kills battery - LG G4

Discussion in 'Android Help' started by KeelanLG, Jun 20, 2016.

  1. KeelanLG

    KeelanLG Lurker
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    Hi there,

    I just updated to version 6.0 last night and the phone idle battery discharge is a lot higher than before the update.

    My battery could easily get to 50+ hours if I didn't use it much. Now it lasted less than a day, with the Phone Idle listed as the highest drain. 27%. 97mAh in 18 hours.

    This is a massive downgrade. I just updated all my apps and cleared cache (as another site suggested). Will message if this fixed it.

    Please tell me there is a fix.
     

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  2. lunatic59

    lunatic59 Moderati ergo sum
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    This is most likely related to something from version 5 being stuck in cache. Hopefully clearing your cache will fix this, but if it doesn't then a factory reset is in order (after you've backed EVERYTHING up on your phone.)
     
    Jfalls63 likes this.
  3. KeelanLG

    KeelanLG Lurker
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    My battery is back to nornal. Clearing the cache worked wonders.

    Can anyone explain why and how something from version 5 being in the cache can kill the battery? Just out of interest sake.
     
  4. lunatic59

    lunatic59 Moderati ergo sum
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    When apps are run they must be compiled for the run time environment so you're not really executing the stored app. They store this in the cache and when updates happen the next time the app is run it might pick up bits from the old cache. Wiping the cache forces the app to recompile.
     
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