Samsung 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

If the up Codes doesn't work, you should change *#9998* to *#0. i.e. *#9998*523# change to *#0523#. An other thing that will help is to remove your SIM card. *0001*s*f*t# : Changes serial parameters (s=?, f=0,1, t=0,1) (incomplete)
*0002*?# : unknown
*0003*?# : unknown

SP-unlock SGH-600 (and also SGH-Sgh-600)
*2767*3855# : Full EEPROM Reset ( THIS CODE REMOVES SP-LOCK!! )
But also changes IMEI to 447967-89-400044-0. (Doing this is illegal)

*2767*2878# : Custom EEEPROM Reset

*These codes have been tested with version FLD_2C6 G60SB03X of Samsung SGH-600

---SGH-600 : *2767*3855#

---S100, S300, V200 : *2767*7822573738#

---A300, A800 : *2767*637#

---X100 : *2767*688#

sgh-600 mobiles : *2767*3855#

s100,s300,v200 : *2767*7822573738#

s105 mobiles : *2767*7822573738#

After the phone reboots enter the following code : #0111*00000000#

Personalisation cancelled should be displayed. Mobile is now unlocked

a800,a300 mobiles : *2767*637#

t100 : *2767*media#
*2767*full#
*2767*cust#
*2767*wap#
*2767*stackreset

for example stackreset = 7822573738

e700 : *2767*688#

Here some more codes for samsung T100

*#8999*228# -> Battery status (capacity, voltage, temperature)
*#8999*246# -> Program status
*#8999*289# -> Change Alarm Buzzer Frequency
*#8999*324# -> Debug screens
*#8999*364# -> Watchdog
*#8999*377# -> EEPROM Error Stack
*#8999*427# -> Trace Watchdog
*#8999*523# -> Change LCD contrast
*#8999*544# -> Jig detect
*#8999*636# -> Memory status
*#8999*746# -> SIM File Size
*#8999*778# -> SIM Service Table
*#8999*785# -> RTK (Run Time Kernel) errors
*#8999*786# -> Run, Last UP, Last DOWN
*#8999*837# -> Software Version
*#8999*842# -> Test Vibrator
*#8999*862# -> Vocoder Reg
*#8999*872# -> Diag
*#8999*947# -> Reset On Fatal Error
*#8999*999# -> Last/Chk
*#8999*9266# -> Yann debug screen (=Debug Screens?)
*#8999*9999# -> Software version
*0001*s*f*t# -> Changes serial parameters (s=?, f=0,1, t=0,1) (incomplete)
*0002*?# -> unknown
*0003*?# -> unknown

all samsung s300 and v200 and s500 : Freeeee unlocking by codes

samsung s300 and v200 :

*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

samsung s500 : *2767*688#