All China Mobile Secret Codes : China Mobile Security Codes

China Mobile Useful Codes or Secret Codes 



  • Default security codes for china mobiles : 1122, 1234, 3344, 5678
  • Restore factory settings: *#987*99#
  • Software version : *#800# 
  • Software version : *#900#


China mobile secret codes
 
  • Engineer mode : *#110*01# 
  • Factory mode : *#987# 
  • Enable test mode COM port : *#110*01# -> Device -> Set UART -> PS Config -> UART1/115200
  • LCD contrast : *#369#   


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