Unlock iPhone
Phone carrier cannot unlock iPhone.
iPhone 13 Pro, iOS 16
Apple Vision Pro is now available in the U.S.
Phone carrier cannot unlock iPhone.
iPhone 13 Pro, iOS 16
Well if they can't, that's a problem. They are literally the ONLY entity who can. Apple cannot unlock the phone to be used with another carrier. And we are all users on this user to user only forum. So, we can't help. You have to work with the carrier as ONLY they can unlock the phone.
What do you need to unlock? There are at least 3 different locks which could be blocking your iPhone
SIM lock applied by a network, preventing use on competitor's network
Activation Lock, set by the original owner as a lock to prevent a thief using or resetting the device
Passcode lock - locks the screen and is usually unlocked with Face ID or a simple passcode entered on screen.
Why not?
What are your carrier's published requirements to unlock the phone?
Only the carrier can unlock the phone. No one else can....including Apple.....so you will have to keep trying.
Did they tell you the reason why they can't do it? If not you should ask them to see what to do next
Unlock iPhone