How to factory reset AMPE A90? How to wipe all data in AMPE A90? How to bypass screen lock in AMPE A90? How to restore defaults in AMPE A90?
The following tutorial shows all method of master reset AMPE A90. Check out how to accomplish hard reset by hardware keys and Android 4.1 Jelly Bean settings. As a result your AMPE A90 will be as new and your Allwinner A31 core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.