After 15 attempts entering an incorrect Pattern lock, you will be informed that you have entered a Wrong Pattern. Follow prompt and tap OK. Note:In order to reset your Pattern Lock using a back up PIN, you must first setup a back up PIN and Pattern Lock.
If you enter the incorrect patter five more times, enter your Backuppin, and tap OK.
If you do not remember your backup PIN, you may unlock the device using your Google account associated with the device. Enter your Emailinformation and tap SIgn in.