How to unlock mobile pattern using Android device manager

1. First of all go to Android Device Manager site https://www.google.com/android/find.

2. Enter your Gmail ID, which you used on your locked Android device.

3. Now click on Lock option.

4. Unlock Android Device Pattern Lock through Android Device Manager.

5. Enter the new password and confirm your new password once again.

6. Click on Lock.

7. Now reboot your Android smartphone.

8. Now enter the new password which you set from Android Device Manager.