Hard Reset FLY DS420

How to factory reset FLY DS420? How to wipe all data in FLY DS420? How to bypass screen lock in FLY DS420? How to restore defaults in FLY DS420?

The following tutorial shows all method of master reset FLY DS420. Check out how to accomplish Hard Reset by hardware keys and Vendor settings. As a result your FLY DS420 will be as new and your core will run faster.

  1. Check your phone, if is on.
  2. Tap this code:  *#987*99# and press Send button.
    HardReset FLY DS420
  3. Now your phone will restarts.


Help! This doesn't work