Samsung Galaxy Tab 2 - Bypass Secured Lock Screen
 

If you somehow forget the pattern, PIN, or password and lock your Samsung Galaxy Tab 2, you might be locked out forever. But it's not entirely impossible to break into a locked device and reset the secured lock screen. Without data loss!

http://goo.gl/XafCEn

Works fine with Samsung Galaxy Tablets:
Samsung Galaxy Tab 2 (7.0)
Samsung Galaxy Tab 2 (10.1)
Samsung Galaxy Tab Pro (8.4)
Samsung Galaxy Tab Pro (10.1)
Samsung Galaxy Tab S (8.4)