Samsung SGH-600 Secrets Codes

Show IMEI
*#06#

Show Software Version
*#9999#

Show Software Version (instructions)
*#0837#

Show Serial Parameters
*#0001#

Activates the smiley when charging
*#9125#

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

Program status
*#9998*246#

Change Alarm Buzzer Frequency
*#9998*289#

Debug screens
*#9998*324#

Watchdog
*#9998*364#

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

Trace Watchdog
*#9998*427#

Change LCD contrast
*#9998*523#

Jig detect
*#9998*544#

Memory status
*#9998*636#

SIM File Size
*#9998*746#

SIM Service Table
*#9998*778#

RTK (Run Time Kernel) errors
*#9998*785#

Run, Last UP, Last DOWN
*#9998*786#

Software Version
*#9998*837#

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

Vocoder Reg - Normal, Earphone or car kit can be selected
*#9998*862#

Diag
*#9998*872#

Reset On Fatal Error
*#9998*947#

Last/Chk
*#9998*999#

Yann debug screen
*#9998*9266#

Software version
*#9998*9999#

Changes serial parameters (s=?, f=0,1, t=0,1)
*0001*s*f*t#

source : samsung-secret-codes.blogspot.com