Hard Reset for CHANGHONG M839
In order to hard reset a CHANGHONG M839, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
CHANGHONG M839 device will be brought back to the default configuration of a brand new device.
1. Press-hold the Power button until the device turns on.
2. Choose and enter one of those codes in: *#881188# or *#94267357# or *#9426*357# or *#77218114# or *#118811# or *#3646633#. Wait for the device to reset'n'restart.
Warning ! HardReset24.com is not responsible for any damage caused by our tutorials. You do it at your own risk.