I often (several times a day) have the following problem: when i double tap or use the power button to wake up the device I only get a grey screen (only back light goes on). When I swipe from the bottom the notification screen comes up and can use the phone normally.
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I often (several times a day) have the following problem: when i double tap or use the power button to wake up the device I only get a grey screen (only back light goes on). When I swipe from the bottom the notification screen comes up and can use the phone normally.