Hard Reset CHANGHONG M838

How to factory reset CHANGHONG M838? How to wipe all data in CHANGHONG M838? How to bypass screen lock in CHANGHONG M838? How to restore defaults in CHANGHONG M838?

The following tutorial shows all method of master reset CHANGHONG M838. Check out how to accomplish Hard Reset by hardware keys and Vendor settings. As a result your CHANGHONG M838 will be as new and your core will run faster.

  1. Switch on the cell phone.
  2. Press this in sequence: *#77218114# or *#881188# or *#94267357# or *#9426*357# *#19912006# *#118811# *#3646633#
  3. Wait until your phone restarts.

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WARNING !
Hard Reset will erase all of your data.
All described operations you are doing at your own risk.
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