Google’s system basically keeps all the security of a SIM PIN, while removing all the inconvenience. Just make sure you jot down the Android-managed PIN somewhere secure, in case your phone ever dies ...
Beta 2 gives new clues ...
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Never Choose This Pin Code To Lock Your Phone
While setting up a lock screen PIN on your Android or iPhone, there's always the fear that you might forget it one day. That's especially true if you usually rely on quicker methods without a password ...
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