Warning: Do not enter any wrong unlock unlock codes on your Samsung C5520 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 C5520 with a
NOT ACCEPTED SIM Card.
2 - Samsung C5520 will ask for "Password".
3 - Enter the Unlock Code.
OR (if the Samsung C5520 shows "Insert Correct SIM Card")
Method 2:
1 - Switch ON your Samsung C5520 with a
NOT ACCEPTED SIM Card.
2 - Don't bother about what's being displayed on your Samsung C5520.
3 - Compose :
#0111*CODE#.
NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung C5520 is locked to.
CODE: Its the unique Unlock Code for your Samsung C5520.
If method 2 does not work, you can try method 2 again but this time without any SIM card on your Samsung C5520.
Each Samsung C5520 mobile phone has an unique unlock code. You can buy the unique unlock code for your Samsung C5520 mobile phone at www.mobileunlocksolutions.com.