Warning: Do not enter any wrong unlock unlock codes on your Samsung M300N 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 M300N with a
NOT ACCEPTED SIM Card.
2 - Samsung M300N will ask for "Password".
3 - Enter the Unlock Code.
OR (if the Samsung M300N shows "Insert Correct SIM Card")
Method 2:
1 - Switch ON your Samsung M300N with a
NOT ACCEPTED SIM Card.
2 - Don't bother about what's being displayed on your Samsung M300N.
3 - Compose :
#0111*CODE#.
NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung M300N is locked to.
CODE: Its the unique Unlock Code for your Samsung M300N.
If method 2 does not work, you can try method 2 again but this time without any SIM card on your Samsung M300N.
Each Samsung M300N mobile phone has an unique unlock code. You can buy the unique unlock code for your Samsung M300N mobile phone at www.mobileunlocksolutions.com.