(1) *#06# show Emei Number
(2) *#110*01# show Enter into Engineering Mode
(3) *#987# show Enter into factory Mode
(4) *#987*99# show Restore Factory Settings
(5) *#900# show Check Software Version
(6) *#800# Check Software Version
(7) *#369# Change LCD Contrast Some Default User Codes : 1122, 3344, 1234, 5678 |