Samsung Service codes for different models of Samsung mobile phones

For all:
*#06# Show IMEI
*#9999# Show mobile Software Version
*#0837# Show mobile Software Version (instructions)
*#0001# Show Serial Parameters
*#9125# Activates the smiley when charging
*#0523# LCD Contrast



*#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
*#9998*427# Trace Watchdog
*#9998*523# Change LCD contrast
*#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# Mobile Software Version
*#9998*842# Test Vibrator - Flash the screenlight during 10 sec and vibration activated


*#9998*862# Vocoder Reg - Normal, Earphone or Carkit
*#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)
*0002*?# unknown Samsung's comand
*0003*?# unknown Samsung's comand


For Mobile phones SGH (R210, T100, A300...)
if Samsung code is in format *#9998*xxx#
try write in this *#0xxx#


SGH-600
SGH-2100


*2767*3855# Full EEPROM Reset (THIS CODE REMMOVES SP-LOCK! but also changes IMEI to 447967-89-400044-0

*2767*2878# Custom EEPROM Reset


Samsung mobile phone codes: Samsung E700


*2767*688# remove USER CODE and SIMLOCK


Samsung mobile phone codes: Samsung V200


Unlocking:
Power on the mobile phone without SIM card and type these codes:


*2767*63342# and press green button
*2767*3855# and press green button
*2767*2878# and press green button
*2767*927# and press green button
*2767*7822573738# press button


Phone will be unlocked, but all trims are reseted !!!
Mobile phone must be fully charged


Samsung mobile phone codes: Samsung S500
Unlocking
*2767*MVT# (*2767*688#) E2P MVT Reset
*#SIMLOCK# (*#7465625#)