If you forget your unlock sequence and the Backup PIN, please follow the instructions below to perform a factory reset. Please not that all of your data will be deleted.
Turn the device off.
Press and hold the following keys at the same time for 5 seconds: Volume Down Key + Power/Lock Key .
Read the FACTORY HARD RESET screen message. Press the Power/Lock Key to confirm or any other key to cancel.
You will be prompted to confirm again. Press the Power/Lock Key one more time to confirm and perform the factory reset. Or press any other key to cancel.