china mobile secrete 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




I donot know about the following codes but try them, they may be engeneering codes

*#0086#, *#0886# set to China

*#0084#, *#0966# set to Vietnamese

*#77218114#

*#19992006#

*#881188#

#*94267357#

*#0084#call