Bypassing screen locks
Just like most other devices, Android devices have got a screen lock mechanism to prevent unauthorized use of someone's device, as shown in the following screenshot:
Android devices usually have the following types of screen lock:
None: No screen lock
Slide: Move the slider to unlock the device
Pattern: Enter the right pattern connecting the dots to unlock the device
PIN: Enter the right number to unlock the device
Password: Enter the right password (characters) to unlock the device
As the first two types do not require any additional skills to bypass the screen lock, we will discuss some techniques available to bypass the other three types of screen lock.
Bypassing pattern lock using adb
Note
Note: This technique requires the device to be rooted and USB debugging must be enabled.
Pattern lock on Android devices is a type of screen lock where the user needs to connect the right combination of dots, as shown in the following screenshot:
We can imagine those dots with numbers...