If you forget the screen password or your smartphone is out of order, you will need Dr.Fone for Android to remove the screen lock. It removes the pattern, fingerprints, PIN and password without data loss.

youtu.be/rXADgwgVk_Y
The program only workable for several Samsung Galaxy devices like:
Samsung Galaxy Note II, Note3, Note4, Note Edge, Note5, Note5 Duos, Note8
Samsung Galaxy S3, S4, S4 Active, S4 LET-A, S4 Mini, S5, S5 Duos
Samsung Galaxy Tab 2 7, Tab Pro 10.1, Pro 8.4, Tab S 8.4, Tab2 10.1