Warning: Do not enter any wrong unlock unlock codes on your Vodafone 231 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 Vodafone 231 with a
NOT ACCEPTED* SIM Card,
2 - Enter the Unlock Code when prompted.
*NOT ACCEPTED : We mean, to use a sim card from a network other than the network your Vodafone 231 is locked to.
Each Vodafone 231 mobile phone has an unique unlock code. You can buy the unique unlock code for your Vodafone 231 mobile phone at www.mobileunlocksolutions.com.