How can i reset my phone back to factory setting samsung d900 when I forgot my phone code

If you want to unlock your phone you must have samsung sgh-d900 unlock code, this code will reset your phone network to default factory setting so you can use any network sim card on it. Samsung unlock code can you get from your network provider or buy from third party sites. Good luck and happy unlocking!

if thats the case then u will need to flash your device with the samsung code from your computer or go to any samsung branch nearest to you for assistance and if u can log on with the code and u need a factory settings then you will go to the settings from the menu there u will find a factory settings and click on the reset it will go back to the initial stage without the code

This will reset the phone's settings to factory default. Use this at your own risk:

1. Switch off phone.
2. Remove the sim card.
3. Turn on the phone.
4. Type *2767*2878#
5. Use 00000000 when it ask you again for the phone lock code.

Enter *2767*3855#
This will reset phone back to factory settings

give restore factory settings(reset) option in your phone this will change all the settings which have been changed to their factory defaults ...

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Enter *2767*3855# ... be careful, it will erase all information.

RESET THE PHNE USE CODE *2767*3855#

PUK code comes from VODAFONE. If you want to reset the phone please contact 0800 726 786

sim card blocked

try resetting your phone to its factory settings...