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    Samsung's Galaxy S7 Always On Display explained
    Samsung's released official details on how the Always On Display from the Samsung Galaxy S7 actually work. Samsung's engineers leverage software and quite a few hardware components to ensure that the display gives you the information needed without having a noticeable impact on the phone's battery life.
  1. peterh337

    peterh337 Android Enthusiast

    Nokia had this years ago, on e.g. the 808 and its' Sleeping Screen screensavers. It became possible with OLED displays. It's fairly trivial to do.

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