China Mobile Secret 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 Default user code : 1122, 3344, 1234, 5678
.::aBDuLLaH AL MaDanI::.