Screen doesn't go completely blank but it just constantly flashes.
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Screen doesn't go completely blank but it just constantly flashes.
Welcome to Android Central! Which phone? If the screen flashes off and on, but the phone doesn't actually shut down, then it's not the battery. It could be a faulty smartcover sensor, or perhaps you have a magnet nearby that is activating the smartcover sensor (which detects nearby magnetic fields--that's how a smartcover causes the screen to shut off when you close the lid). Or it might be a loose connection inside the phone.