Chinese Mobile Secret Codes

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