How do I unlock a Samsung Galaxy Tab 4 when if I forgot the password?

[AC Question]

i am trying to open my samsung galaxy tab 4 tablet, but i forgot my password.
so how am i going to open it without deleting any files in the device?

 

[belodion]

Hypnosis ought to retrieve the password.
Also:
http://forums.androidcentral.com/showthread.php?t=640158