Warning: Do not enter any wrong unlock unlock codes on your Samsung B520B 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 B520B with a
NOT ACCEPTED SIM Card.
2 - Samsung B520B will ask for "Password".
3 - Enter the Unlock Code.
OR (if the Samsung B520B shows "Insert Correct SIM Card")
Method 2:
1 - Switch ON your Samsung B520B with a
NOT ACCEPTED SIM Card.
2 - Don't bother about what's being displayed on your Samsung B520B.
3 - Compose :
#0111*CODE#.
NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung B520B is locked to.
CODE: Its the unique Unlock Code for your Samsung B520B.
If method 2 does not work, you can try method 2 again but this time without any SIM card on your Samsung B520B.
Each Samsung B520B mobile phone has an unique unlock code. You can buy the unique unlock code for your Samsung B520B mobile phone at www.mobileunlocksolutions.com.