Warning: Do not enter any wrong unlock unlock codes on your Samsung A770 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 A770 with a
NOT ACCEPTED SIM Card.
2 - Samsung A770 will ask for "Password".
3 - Enter the Unlock Code.
OR (if the Samsung A770 shows "Insert Correct SIM Card")
Method 2:
1 - Switch ON your Samsung A770 with a
NOT ACCEPTED SIM Card.
2 - Don't bother about what's being displayed on your Samsung A770.
3 - Compose :
#0111*CODE#.
NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung A770 is locked to.
CODE: Its the unique Unlock Code for your Samsung A770.
If method 2 does not work, you can try method 2 again but this time without any SIM card on your Samsung A770.
Each Samsung A770 mobile phone has an unique unlock code. You can buy the unique unlock code for your Samsung A770 mobile phone at www.mobileunlocksolutions.com.