Transferring service carriers between carriers, is new pSIM not supported?
transferring phone service carriers, new pSIM not supported? message says to contact Apple?
[Re-Titled by Moderator]
iPhone SE (2nd generation)
Question marked as
You need to contact the carrier that the phone is locked to and ask them to unlock it, they are the only ones who can, not Apple.
How to unlock your iPhone for use with a different carrier - Apple Support