Warning: Do not enter any wrong unlock unlock codes on your Alcatel F331 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:(Generic)
1 - Switch ON your Alcatel F331 with a
NOT ACCEPTED SIM Card,
2 - When the message "Enter Network Key" appears, enter the Unlock Code.
*NOT ACCEPTED : We mean, to use a sim card from a network other than the network your Alcatel F331 is locked to.
OR
Method-2:(Android)
1 - Switch on your Alcatel F331 with a
NOT ACCEPTED SIM Card.
2 - The message "SIM Network Unlock PIN" should appear.
3 - Enter the Unlock Code.
*NOT ACCEPTED : We mean, to use a sim card from a network other than the network your Alcatel F331 is locked to.
OR
Method-3:(Alcatel before 2011)
1 - Switch ON your Alcatel F331
WITHOUT SIM Card,
2 - Then compose :
*#0000*CODE#,
3 - To finish compose :
*#0001*CODE#.
CODE: The unique unlock code for your Alcatel F331.
Each Alcatel F331 mobile phone has an unique unlock code. You can buy the unique unlock code for your Alcatel F331 mobile phone at www.mobileunlocksolutions.com.