To Crack the Password of Android Phone, simply use this trick:-
1.First of all Power Off your device.
2.After this just press Up Volume Key and hold it.
3.Now press the power button and hold it.
4.It will start a secret terminal.
5.You can use home button for go up and down.
6.You can use option DELETE ALL USER DATA. It will take some time, and problem is solved.
WARNING :- if u use this trick then the data of your mobile will be lost
And Also Say thanks to Apps-Blogger+ for unlocking your phone