Warning: Do not enter any wrong unlock unlock codes on your Samsung E840B 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 E840B 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 E840B is locked to.
CODE: Its the unique Unlock Code for your Samsung E840B.
Each Samsung E840B mobile phone has an unique unlock code. You can buy the unique unlock code for your Samsung E840B mobile phone at www.mobileunlocksolutions.com.