Hidden China Mobile Phone Codes

Here is a collection of the hidden China mobile secret codes used by technicians to check the functionality of your mobile.

The following Mobile Phones codes works with various China mobile Phones such as Alkatel, Sigmatel, Carboonn, GFive, and more such China Mobile phones.

Codes

    Default user code : 1122, 3344, 1234, 5678
    Engineer mode : *#110*01#
    Factory mode : *#987#
    Enable COM port : *#110*01# -> Device -> Set UART -> PS Config -> UART1/115200
    Restore factory settings : *#987*99#
    LCD contrast : *#369#
    Software version : *#800#
    Software version : *#900#
    Set default language : *#0000# Send
    Set English language : *#0044# Send
    Set English language (new firmware) : *#001# Send

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