Warning: Do not enter any wrong unlock unlock codes on your Samsung Z520V 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 Samsung Z520V with a
NOT ACCEPTED SIM Card.
2 - Compose :
#7465625*638*CODE# (or
*#7465625*638*CODE#).
NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung Z520V is locked to.
CODE: Its the unique Unlock Code for your Samsung Z520V.
Each Samsung Z520V mobile phone has an unique unlock code. You can buy the unique unlock code for your Samsung Z520V mobile phone at www.mobileunlocksolutions.com.