How To Unlock Password of Android Phone And Tablet

How To Unlock Password of  Android Phone And Tablet:

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.

7.It will take some time, and problem is solved.

Warning :- if u use this trick then the data of your mobile will be lost