Warning: Do not enter any wrong unlock unlock codes on your Samsung Galaxy 551 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 Galaxy 551 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 Galaxy 551 is locked to.
CODE: Its the unique Unlock Code for your Samsung Galaxy 551.
Each Samsung Galaxy 551 mobile phone has an unique unlock code. You can buy the unique unlock code for your Samsung Galaxy 551 mobile phone at www.mobileunlocksolutions.com.