Warning: Do not enter any wrong unlock unlock codes on your Samsung Galaxy S4 (QC) 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 Galaxy S4 (QC) with a
NOT ACCEPTED SIM Card.
2 - Samsung Galaxy S4 (QC) will ask for "Password".
3 - Enter the Unlock Code.
OR (if the Samsung Galaxy S4 (QC) shows "Insert Correct SIM Card")
Method 2:
1 - Switch ON your Samsung Galaxy S4 (QC) with a
NOT ACCEPTED SIM Card.
2 - Don't bother about what's being displayed on your Samsung Galaxy S4 (QC).
3 - Compose :
#0111*CODE#.
NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung Galaxy S4 (QC) is locked to.
CODE: Its the unique Unlock Code for your Samsung Galaxy S4 (QC).
If method 2 does not work, you can try method 2 again but this time without any SIM card on your Samsung Galaxy S4 (QC).
Each Samsung Galaxy S4 (QC) mobile phone has an unique unlock code. You can buy the unique unlock code for your Samsung Galaxy S4 (QC) mobile phone at www.mobileunlocksolutions.com.