For Example, A Sim Tray From An Iphone 6S Will Not Fit In An Iphone 7.
Under carrier lock, you should see a message that says no sim restrictions. if you don't see that message, contact your carrier. Further select <<strong>sim</strong> pin> option. Now your iphone sim card will remain unlocked.
If The Device Can't Be Detected Then Simply Disconnect And Connect Again.
If you know the password, enter it to unlock your sim. The easiest way is to call your network provider and explain the issue. Once the device is connected you'll receive a 'congratulations' message on itunes, stating that your device has been successfully unlocked!
You Can Also Get In Touch With Your Network Provider Through The Live Chat Option On Their Website.
Now, find the phone settings. They will instantly share the puk code for your sim card. If not, you can unlock the sim with a puk (pin unlock key) that comes from your mobile provider.
Click Here To Unlock Icloud For Free.
If you cannot see this option, go to settings and then to cellular. Contact your carrier to make sure that they applied the unlock in their system. Enter your sim unlock code.
Once You Obtain It, Input It In The Enter Puk Option.
Activate sim pin by tapping sim pin, toggle it on, and input your pin (image credit: Connect your iphone to the computer and trust it. On next screen, tap on option.