How to crack pattern lock of mobile using factory reset

1. First of all switch off that Android smartphone phone.

2. Now wait for at least one minute.

3. Now press the + Volume button and the Power button together.

4. Your device will be open in recovery mode, from it tap on factory reset button.

5. Tap on wipe Cache partition to clean the data.

6. Now again wait for 1 minute and start your Android device.

7. Now your Android device will be unlocked.