China Mobiles Codes
CHINESE MODELS default user code
1122, 3344, 1234, 5678
Engineer mode #11001#
Factory mode #987#
Enable COM port #11001# -
Device - Set UART - PS Config -
UART1115200
Restore factory settings

98799#

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