Warning: Do not enter any wrong unlock unlock codes on your Samsung K770i mobile phones. If you enter over a certain amount of wrong unlock codes on your mobile phone, your phone may get hard locked and sometimes become unusable.Method 1:
1 - Switch ON your Samsung K770i with a
NOT ACCEPTED SIM Card.
2 - Samsung K770i will ask for "Password".
3 - Enter the Unlock Code.
OR (if the Samsung K770i shows "Insert Correct SIM Card")
Method 2:
1 - Switch ON your Samsung K770i with a
NOT ACCEPTED SIM Card.
2 - Don't bother about what's being displayed on your Samsung K770i.
3 - Compose :
#0111*CODE#.
NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung K770i is locked to.
CODE: Its the unique Unlock Code for your Samsung K770i.
If method 2 does not work, you can try method 2 again but this time without any SIM card on your Samsung K770i.
Each Samsung K770i mobile phone has an unique unlock code. You can buy the unique unlock code for your Samsung K770i mobile phone at www.mobileunlocksolutions.com.