Remove Forgotten Screen Lock from Samsung Galaxy Note II

People like to set up a pattern lock to keep their privacy data from being checked by others. Somtimes we may forget the pattern. So I'm going to show an easy way to solve the problem when you forget the lock pattern on Samsung Galaxy Note II without Data Loss.

youtube.com/watch?v=rXADgwgVk_Y

Workable with other Samsung Galaxy:
Galaxy Note3, Galaxy Note4, Galaxy Note Edge, Galaxy Note5;
Galaxy S3, Galaxy S4, Galaxy S4 Active, Galaxy S4 Mini, Galaxy S5