According to Faq( Frequently Asked Question) user who had once been locked out from there phone ,because they had forgotten there pattern get to mail me this question often times
"How to by-pass pattern lock on an android phone" so I created this topic to help user get that by.
Usually the android security Lock pattern has an alternative unlock method, which is logging on with Gmail account.
Let's assume you don't know your gmail username and password, and you had forgotten your Phone security password. Here is an android trick to help you by pass pattern lock on your android phone.
How To Unlock Android Phone Pattern ?
-Power Off Device
-After Putting Off device press and hold Power Button
+ Volume down simultaneously for a few seconds.
-After that Android Secret menu would appear.
-Now press home key to scroll that appeared menu.
-Now it will display a option like remove or delete all user data.
-wait for just a few seconds.
-Now you have figured out your problem.
That's all. Remove battery and insert back, the pattern lock security won't be there any longer.