1. AC Question's Avatar
    i turn on ultra power save then i quickly turn it of then it get me a black home screen & everything else black and its not in ultra power save !!! i can use every thing like normal but in black and i cant turn on or off ultra power save i get error msg
    08-04-2017 02:13 AM
  2. B. Diddy's Avatar
    Welcome to Android Central! Force a shutdown by pulling the battery. Then boot up normally -- is it still black? If so, pull the battery again, and then boot into Safe Mode: https://support.t-mobile.com/docs/DOC-28897
    08-04-2017 12:02 PM

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