Some usefull codes for Samsung phones...

[steaner]

*#06# -> Displays imei
*2767*5282# -> Java Reset and (Deletes all Java Midlets)
*2767*63342# -> Reset Media (Deletes All Sounds and Pics)
*2767*927# -> Wap Reset
*#9998*4357# -> Help Menu
*#9998*5282# -> Java menu (GRPS/CSD settings for JAVA server)
*#9999#0# -> Monitor Mode
*#9999# or *#9998*9999# -> Software Version
*#8888# or *#9998*8888# -> Hardware Version
*#9998*746# or *#9998*0746# or *#0746# -> Sim Infos
*#9998*523# or *#9998*0523# or *#0523# -> Display Contrast
*#9998*842# or *#9998*0842# or *#0842# -> Vibration On (until you push OK)
*#9998*289# or *#9998*0289# or *#0289# -> Buzzer On (until you push OK)
*#9998*288# or *#9998*0288# or *#0288# -> Battery & Field Infos
*#9998*377# or *#9998*0377# Error log
*#9998*778# or *#9998*0778# or *#0778# -> Sim Service table
*#9998*782# -> show date and alarm clock
*#8999*638# -> show network information
*#9998*5646# -> change operator logo at startup
*#9998*76# -> production number
*#9998*968# -> view melody for alarm
*#9998*585# -> Non-Volatile Memory (NVM)
*#3243948# -> Digital Audio Interference Off
*#32436837# -> Digital Audio Interference
*#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*324# -> Debug screens
*#9998*364# -> Watchdog
*#9998*427# -> Trace Watchdog
*#9998*544# -> Jig detect
*#9998*636# -> Memory status
*#9998*785# -> RTK (Run Time Kernel) errors
*#9998*786# -> Run, Last UP, Last DOWN
*#9998*837# -> Software Version
*#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
*2767*2878# -> Custom EEEPROM Reset
*2767*3855# -> Full EEPROM Reset
This code will remove sp lock in some models
But also changes IMEI to 447967-89-400044-0,
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Samsung A300, A400, A800
*2767*637#
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Samsung E500, E700
*2767*688#
In newer phones:
#*7337#
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Samsung E715
Turn off the phone. Put a non-accepted Simcard and turn it on.
Type *#9998*3323#. Press Exit. Choose menu #7. After phone reboots type *0141# and hit the Call button. Turn off and insert another Simcard. Turn on. The code is 00000000.
In newer phones: #*7337#
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Samsung M100
Type *#9998*627837793#. Then type *#9998*737#. Press >/[] (Play Stop) until phone shows NCK/SPCK number. Press Exit.
Type #0111*CODE# (Code is the last 8 digits of the NCK/SPCK)
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Samsung P400
*2767*3855#
In newer phones:
*2767*927#
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Samsung S100, S300
*2767*7822573738#
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Model: Samsung S105
Remove Simcard. Enter *2767*7822573738# and after phone reboots, enter #0111*00000000#
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Samsung s300 unlock code
enter these 5 codes without sim card in phone!
your phone should then be unlocked
1. *2767*63342#
2. *2767*3855#
3. *2767*2878#
4. *2767*927#
5. *2767*7822573738
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Samsung S307
Turn off the phone. Put a non-accepted Simcard and turn it on.
Type *#9998*3323#. Press Exit. Choose menu #7. After phone reboots type *0141# and hit the Call button. Turn off and insert another Simcard. Turn on. The code is 00000000.
In newer phones: #*7337#
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Samsung S500
*2767*3855#
In newer phones:
*2767*927#
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Samsung SGH600, SGH2100
*2767*3855#
*2767*2878#
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Samsung v200 unlock codes
Enter these codes into phone without sim in phone
This will not work on some new versions
1. *2767*63342# then press green button
2. *2767*3855# then press green button
3. *2767*2878# then press green button
4. *2767*927# then press green button
5. *2767*7822573738# then press green button
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Samsung X100, X600
Turn off the phone. Put a non-accepted Simcard and turn it on.
Type *#9998*3323#. Press Exit. Choose menu #7. After phone reboots type *0141# and hit the Call button. Turn off and insert another Simcard. Turn on. The code is 00000000.
In newer phones:
#*7337#
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Samsung Universal
TEMPORARY UNLOCK:
Put a non-accepted Simcard and turn it on. Type *#9998*3323#.
Press Exit. You will get a new menu. Select Malloc Fail.
In newer phones:
#*7337#

[jeeva]

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[ronanski]

good it helps a lot