*#9998*228# To Show Battery status (capacity, voltage, temperature)
*#9998*246# To Show Program status
*#9998*289# To Change Alarm Buzzer Frequency
*#9998*324# To Debug Screens
*#06# Show IMEI
*#9999# To Show Software Version
*#0837# To Show Software Version (instructions)
*#0001# To Show Serial Parameters
*#9125# This Activates the smiley when charging
*#9998*636# Show Memory status
*#9998*746# Displays SIM File Size
*#9998*837# Shows Software Version
*#9998*842# Used to Test Vibrator - Flash the screenlight during 10 sec
and vibration will be activated
Power on your cell phone without inserting SIM card and type these codes:
*2767*63342# write the code and press green button
*2767*3855# write the code and press green button
*2767*2878# write the code and press green button
*2767*927# write the code and and press green button
*2767*7822573738# just press button
FOR NEW ones like SGH (R210, T100, A300...)
if code is in format *#9998*xxx#
try writing this one *#0xxx#
SGH-600
SGH-2100
*2767*3855# for Full EEPROM Reset (THIS CODE REMOVES SP-LOCK!
but also changes the IMEI to default (447967-89-400044-0)
*2767*2878# For Custom EEPROM Reset
SGH E700
*2767*688# For removing USER CODE and SIMLOCK