China Mobile Secret Codes

This is list of china mobiles secret codes and you can test this if you possess any such phones.

Default user code : 1122, 3344, 1234, 5678

Engineer mode : *#110*01#

Factory mode : *#987# 

Restore factory settings : *#987*99#

LCD contrast : *#369#

Software version : *#800#

Software version : *#900#

Enable COM port : *#110*01# -> Device -> Set UART -> PS Config -> UART1/115200

Set default language : *#0000# Send

Set English language : *#0044# Send

Set English language (new firmware) : *#001# Send 

NOTE: These Mobile Phones codes works with various China mobile Phones such as Alkatel, Sigmatel, Carboonn, GFive, and more such China Mobile phones.