How to factory reset TINNO E990? How to wipe all data in TINNO E990? How to bypass screen lock in TINNO E990? How to restore defaults in TINNO E990?
The following tutorial shows all method of master reset TINNO E990. Check out how to accomplish hard reset by hardware keys and Vendor settings. As a result your TINNO E990 will be as new and your core will run faster.
Hard Reset will erase all of your data
All described operations you are doing at your own risk.