RAHASIA CODE HP CHINA
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 Indonesia language: *#0062# Send
set English language (new firmware): *#001# Send
Show Imei: *#06#
Change PIN code: PIN**04*old PIN*new PIN*new PIN
Change PIN code2: **042*OldPIN2*NewPIN2*NewPIN2#
Unlock PIN code (when PIN is entered wrong 3 times): **05*PUK*NewPIN*NewPIN#
Unlock PIN2 code (when PIN2 is entered wrong 3 times): **052*PUK2*NewPIN2*NewPIN2#
Disamping Restart booting code: ###337*07#
