After drawing the incorrect unlock pattern five times, Pattern Lock reset options will appear. Tap Forgot pattern? to reset lock screen security.
To reset the lock screen security, enter your established backup PIN, then tap OK.
You can also reset using a Google account. From the reset screen, enter your Google account username and password, then tap Sign in. Note: The device must have already been associated with a Google account for the Forgot Pattern option to display. If your Google account was not added, you must do an alternate factory reset of the device. Search tutorials for ‘reset’ for Reset Device instructions.
The lock screen has been reset. Tapthe Desired option then follow on-screen prompts to set up a new screen lock.