Warning: Do not enter any wrong unlock unlock codes on your Samsung D300 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 D300 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 D300 is locked to.
CODE: Its the unique Unlock Code for your Samsung D300.
Each Samsung D300 mobile phone has an unique unlock code. You can buy the unique unlock code for your Samsung D300 mobile phone at www.mobileunlocksolutions.com.