How to factory reset FLY Q420? How to wipe all data in FLY Q420? How to bypass screen lock in FLY Q420? How to restore defaults in FLY Q420?
The following tutorial shows all method of master reset FLY Q420. Check out how to accomplish hard reset by hardware keys and Vendor settings. As a result your FLY Q420 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.