Model : Method Generic

1 - Switch ON your phone without SIM Card,
2 - Then enter : *#0000*CODE#,
3 - To finish enter : *#0001*CODE#.

Model : 531 & 535

1 - Switch ON your phone without SIM Card,
2 - Press * and without releasing enter 787292,
3 - A new menu "Unlock Network" will appear, then select "YES",
4 - Enter the Code we send to you.

Model : All other Alcatel

1 - Switch on your phone with a not allowed SIM Card,
2 - When the message "Enter Network Key" appear enter the Code we send to you