Title:
Bypass-for-Screen-Lock-of-Android
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Description: It is quite common to come across a locked mobile phone in case investigations. How to bypass the screen’s
lock presents a challenge towards digital forensic investigators. This article focused on bypassing the locked screen of Android
smart phones. Three different types of Android passcodes, gesture, PIN code and complex, were introduced along with
their storage principle and file structures. To make the brute forcer successfully get the pattern code depended on acquiring
the passcode key file. Bypassing the screen lock could be achieved by using ADB (Android debug bridge). Two different
approaches to solve the problems on getting passcode were suggested with the conditions of mobile phone’s USB debugging
mode at on or off. When USB debugging mode was on, investigators could try to gain root access into the phone and apply
adaptable method to decrypt or remove the screen lock. But if the USB debugging mode was off, the custom recovery
method could be used to flash on the phone
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Bypass for Screen Lock of Android.pdf
