Warning: Do not enter any wrong unlock unlock codes on your Samsung P520B 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 P520B 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 P520B is locked to.
CODE: Its the unique Unlock Code for your Samsung P520B.
Each Samsung P520B mobile phone has an unique unlock code. You can buy the unique unlock code for your Samsung P520B mobile phone at www.mobileunlocksolutions.com.