Removing South Korean restrictions
I purchased my phone in South Korea and have now returned to the US. How can the phone be updated to remove the South Korean restrictions on location sharing?
iPhone 13 Pro, iOS 15
You have not told us what steps you may have already taken, but if you have not yet changed the region on your iPhone, this would be a good place to start.
Change your Apple ID country or region - Apple SupportOfficial Apple Support › en-us