China Phone Secret Code default user code: 1122, 3344, 1234, 5678 software version: *#800# software version: *#900# Restore factory settings: *#987*99# Factory mode: *#987# Enable COM port: *#110*01# -> Device -> Set UART -> PS Config -> UART1/115200 LCD contrast: *#369# set default language: *#0000# Send set English language: *#0044# Send set English language (new firmware): *#001# Send ] Engineer mode: *#110*01# *2767*688# = Unlocking Code *#8999*8378# = All in one...
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