Re: Battery life note 4
With how major the lollipop update was it's best to backup all your data and do a factory reset. There are a lot of "cobwebs" left over from the update and the best way to clear them is to reset all data and system files. I know it sounds like a pain but it really goes rather well.
OTA updates leave a lot to be desired as its just not the best way to update any software with major changes. That's why all other OS's always wipe all data and do a fresh install
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