Warning: Do not enter any wrong unlock unlock codes on your Sagem MC820 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.1 - Switch ON your Sagem MC820 with a
NOT ACCEPTED SIM Card.
2 - Sagem MC820 will display the message "SIM VERROU".
3 - Enter the Unlock Code.
NOT ACCEPTED : We mean, to use a sim card from a network other than the network to which your Sagem MC820 is locked to.
WARNING : If your Sagem MC820 shows "CODE POSTE" it's because a Security Code has been set on the Sagem MC820, it can be either 0000 or 1234 but we can't calculate this code with the IMEI because it's not a code from the manufacturer of Service provider but it's a code given by the user of the Sagem MC820!
Each Sagem MC820 mobile phone has an unique unlock code. You can buy the unique unlock code for your Sagem MC820 mobile phone at www.mobileunlocksolutions.com.