How To Unlock Samsung Galaxy S 2 android Smartphone

How To Unlock Samsung Galaxy S2 
1. Power on your Samsung mobile phone with an unaccepted SIM card inserted.
2. Your Samsung mobile will prompt you for a password (unlock code).
3. Enter your Samsung unlock code.

Otherwise, if your Samsung mobile phone displays “Insert Correct SIM Card” then:

1. Turn on your Samsung phone with an UNACCEPTED SIM card inserted.
2. Type: #7465625*638*CODE# (Where CODE is your Samsung unlock code.