According to him the bug can be reproduced by following these steps:ġ) On the code entry screen (of the lock screen) press Emergency CallĤ) Just after pressing the Home button, press the power button quicklyĥ) If successful, pressing the power button again will bring you to the S3's home screen Sean McMillan has posted a method to access the lock screen of the Galaxy S II on a mailing list. A user has discovered a security flaw in the Samsung Galaxy S III that allows anyone to bypass the lock screen of the phone by following a few simple steps.