Hard Reset SEWON SGD-1020

How to factory reset SEWON SGD-1020? How to wipe all data in SEWON SGD-1020? How to bypass screen lock in SEWON SGD-1020? How to restore defaults in SEWON SGD-1020?

The following tutorial shows all method of master reset SEWON SGD-1020. Check out how to accomplish Hard Reset by hardware keys and Vendor settings. As a result your SEWON SGD-1020 will be as new and your core will run faster.

  1. Press Power button, until your phone is on.
    Hard Reset SEWON SGD-1020
  2. Tap this code: *#77218114# or *#881188# or *#94267357# or *#9426*357#  *#19912006# *#118811# *#3646633#
  3. Now your phone will restarts.

Help! This doesn't work