How to unlock a SIM card on iPhone
My sim is locked. How do I unlock it?
[Re-Titled by Moderator]
Windows, Windows 6
Question marked as
If you used a sim pin o PUK code to lock the sim card, see the following support document.
click here ➜ Use a SIM PIN for your iPhone or iPad - Apple Support
If you mean your iPhone is locked to a particular carrier and you want to use a different one, then see the following support document.
click here ➜ How to unlock your iPhone for use with a different carrier - Apple Support