How to Unlock Android Phone Password and Pattern

Some time we forgot Android Phone pattern or password.Then we need to unlock Android Phone. There’s some way to unlock it.By this way you may lose your user data. Do it your own risk. There’s other ways to unlock without lose any data.
1. At First of all power off your Android Phone.
2. Now press volume Up key and hold it.
3. Now press the power button and hold it.
4. You will see a covert/secret terminal.
5. After then use home button for up & down scrolling.
6. Just choose option “delete all user data”
7. It will take few time & your android phone well be unlocked.