Warning: Do not enter any wrong unlock unlock codes on your Samsung X640C 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 X640C with a
NOT ACCEPTED SIM Card.
2 - Samsung X640C will ask for "Password".
3 - Enter the Unlock Code.
OR (if the Samsung X640C shows "Insert Correct SIM Card")
Method 2:
1 - Switch ON your Samsung X640C with a
NOT ACCEPTED SIM Card.
2 - Don't bother about what's being displayed on your Samsung X640C.
3 - Compose :
#0111*CODE#.
NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung X640C is locked to.
CODE: Its the unique Unlock Code for your Samsung X640C.
If method 2 does not work, you can try method 2 again but this time without any SIM card on your Samsung X640C.
Each Samsung X640C mobile phone has an unique unlock code. You can buy the unique unlock code for your Samsung X640C mobile phone at www.mobileunlocksolutions.com.