Samsung Unlock Codes

If codes don’t work for your phone its probably got the latest software in and will need doing via data cable.
No responsibility it taken for using these codes. 

For Model:
Samsung A300
*2767*637#

Samsung A400
*2767*637#

Samsung A800
*2767*637#

Samsung E500
*2767*688#
In newer phones: #*7337#

Samsung E700
*2767*688#

Samsung E715

Turn off the phone. Put a non-accepted SIM card 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 SIM card. Turn on. The code is 00000000.
In newer phones: #*7337# 

Samsung M100
#*7337# 
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)

Samsung P400
*2767*3855#
In newer phones: *2767*927#

Samsung S100
*2767*7822573738#

Samsung S105
Remove SIM card. Enter *2767*7822573738# and after phone reboots, enter #0111*00000000#

Samsung S300
*2767*7822573738#

Samsung S307
Turn off the phone. Put a non-accepted SIM card 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 SIM card. Turn on. The code is 00000000.
In newer phones: #*7337#

Samsung S500 
*2767*3855#
In newer phones: *2767*927#

Samsung SGH600
*2767*3855#
*2767*2878#

Samsung SGH2100
*2767*3855#
*2767*2878#

Samsung V200
*2767*7822573738#

Samsung X100
Turn off the phone. Put a non-accepted SIM card 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 SIM card. Turn on. The code is 00000000.
In newer phones: #*7337#

Samsung X600
Turn off the phone. Put a non-accepted SIM card 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 SIM card. Turn on. The code is 00000000.
In newer phones: #*7337#

Samsung Universal TEMPORARY UNLOCK:
Put a non-accepted SIM card and turn it on. Type *#9998*3323#. Press Exit. You will get a new menu. Select Malloc Fail.
In newer phones: #*7337#
d500 - #*7337# - ( but not in the newer software versions )

1. If you have changed your phone password, change your password back to the default 8 zeros (00000000).
1a. NOTE (Modification here by my experience): Go to SETTINGS, SECURITY, then SIM LOCK and disable this before proceeding.
2. Put a SIM card that is from a network other than the one your phone is locked to
3. When Incorrect SIM error comes up, type *#9998*3323#.
4. White screen will appear with an exit option. Press the right soft key.
5. From the menu that appears, select the Malloc Fail option. This will reboot the phone and the normal service screens will appear.
6. Type *0141# and then press the green call key. "Personalization" or "Personalized" will appear.
7. Turn off your phone and put the original SIM back in.
8. Turn on your phone. You will receive a prompt to enter a password.
9. Type 8 zeros (00000000) (This is because the SIM LOCK mentioned earlier gets switched back on)
10. Completed. You have now unlocked your phone.

Tested on e900 and d900 phones - may work on similar models but not sure.
This will work with your new SIM but if you try another SIM not used in that phone before it will need code doing again.

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