Universal Samsung Secret Codes

*#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

*#9998*999#
Last/Chk

*#9998*9266# 
Yann debug screen (=Debug Screens?)

*#9998*9999# 
Software version

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

source : samsung-secret-codes.blogspot.com