Similar lock bypass found in Samsung phones
Recently, it was discovered that Samsung Galaxy Note 2’s lock screen can be bypassed using a hacking technique. This hacking technique was feasible on Android version 4.1.2. It enables a person to see the home screen briefly when the home button is pressed for a few seconds. Upon seeing the home screen, the attacker can quickly tap an app. Then, he may be able to do any of the following:
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Story added 7. March 2013, content source with full text you can find at link above.