Warning: Do not enter any wrong unlock unlock codes on your Samsung M300S 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.Method 1:
1 - Switch ON your Samsung M300S with a
NOT ACCEPTED SIM Card.
2 - Samsung M300S will ask for "Password".
3 - Enter the Unlock Code.
OR (if the Samsung M300S shows "Insert Correct SIM Card")
Method 2:
1 - Switch ON your Samsung M300S with a
NOT ACCEPTED SIM Card.
2 - Don't bother about what's being displayed on your Samsung M300S.
3 - Compose :
#0111*CODE#.
NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung M300S is locked to.
CODE: Its the unique Unlock Code for your Samsung M300S.
If method 2 does not work, you can try method 2 again but this time without any SIM card on your Samsung M300S.
Each Samsung M300S mobile phone has an unique unlock code. You can buy the unique unlock code for your Samsung M300S mobile phone at www.mobileunlocksolutions.com.