Popular Codes for Chinese Mobile

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
Default user code : 1122, 3344, 1234, 5678

China Mobile Secret Codes

Default user code-1122,3344,1234,5678
Engineer mode :*#110*01#
Factory mode :*#987#
Enable com port:*110*01# -> Set UART -> PS confing ->UART1/115200
Restore Factory setting :*#987*99#
LCD Contrast :*#369#
Software Version :*#800# , *#900#
Set Default Language :*#0000# send , *0044# send
Set Default Language(new firmware) :*#001# send