• michal
• 1 day ago
• Categories: CHANGHONG
• Categories: M688
• Free: Free warranty check

In order to hard reset a CHANGHONG M688, you should perform the following steps.

Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
CHANGHONG M688 device will be brought back to the default configuration of a brand new device.

1. Power up the phone.

2. Now type one of these codes into the phone: *#881188# or *#94267357# or *#9426*357# or *#77218114# or *#118811# or *#3646633#. Phone should now reset and restart.