China Mobile Secret Codes

The china mobile codes are very difficult to get.
As per the user demand i m posting the secret codes for china mobiles which work on all the chinese phones
Here are the codes for china mobiles try it
1)Default user code : 1122, 3344, 1234, 5678
2)Engineer mode : *#110*01#
3)Factory mode : *#987#
4)Enable COM port : *#110*01# -> Device -> Set UART -> PS Config -> UART1/115200
5)Restore factory settings : *#987*99#
6)LCD contrast : *#369#
7)Software version : *#800#
8)Software version : *#900#
9)Set default language : *#0000# Send
10)Set English language : *#0044# Send
11)Set English language (new firmware) : *#001# Send
12)Default user code : 1122, 3344, 1234, 5678

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