1. AC Question's Avatar
    Phantom water mark on screen, never goes away, says Samsung galaxy heart rate sensor, very faint but can see it there
    07-24-2015 08:27 PM
  2. B. Diddy's Avatar
    Welcome to Android Central! It sounds like screen burn-in, which tends to happen more often with AMOLED screens.
    Rukbat likes this.
    07-24-2015 10:56 PM

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