Warning: Do not enter any wrong unlock unlock codes on your Samsung Z720S 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 Z720S 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 Z720S is locked to.
CODE: Its the unique Unlock Code for your Samsung Z720S.
Each Samsung Z720S mobile phone has an unique unlock code. You can buy the unique unlock code for your Samsung Z720S mobile phone at www.mobileunlocksolutions.com.