Samsung Mobile Resetting Codes

There are actually two codes you can use to reset the password and phone setting.
Below are these codes. Type them in the phone and this should solve your problem.

*2767*3855#

and

*2767*2878#

The security code will be reset to 0000.
This will allow you to format the phone easily.

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Here some tutotial how unlock phone, this work on many models:
Follow those steps:

1.)*2767*3855#
2.)*7465625*638*00000000*00000000#
3.)#7465625*638*00000000#

Now your phone is unlock forever Permanent