All samsung mobile codes. Just type them.

*#06# -> Show IMEI

*#9999# -> Show Software Version

*#0837# -> Show Software Version (instructions)

*#0001# -> Show Serial Parameters

*#9125# -> Activates the smiley when charging.

*#9998*228# -> Battery status (capacity, voltage, temperature)

*#9998*246# -> Program status

*#9998*289# -> Change Alarm Buzzer Frequency

*#9998*324# -> Debug screens

*#9998*364# -> Watchdog

*#9998*377# -> EEPROM Error Stack - Use side keys to select values. Cancel and ok.

*#9998*427# -> Trace Watchdog

*#9998*523# -> Change LCD contrast - Only with version G60RL01W

*#9998*544# -> Jig detect

*#9998*636# -> Memory status

*#9998*746# -> SIM File Size

*#9998*778# -> SIM Service Table

*#9998*785# -> RTK (Run Time Kernel) errors - if ok then phn is reset, info is put in memory error. *#9998*786# -> Run, Last UP, Last DOWN

*#9998*837# -> Software Version

*#9998*842# -> Test Vibrator - Flash the screenligth during 10 seconds and vibration activated.

*#9998*862# -> Vocoder Reg - Normal, Earphone or carkit can be selected

*#9998*872# -> Diag

*#9998*947# -> Reset On Fatal Error