Warning: Do not enter any wrong unlock unlock codes on your Vitel TSM400 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 Vitel TSM400 with a
NOT ACCEPTED SIM Card.
2 - Enter the Unlock Code.
NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Vitel TSM400 is locked to.
Each Vitel TSM400 mobile phone has an unique unlock code. You can buy the unique unlock code for your Vitel TSM400 mobile phone at www.mobileunlocksolutions.com.