Esim abroad

If you purchase and iPhone in the USA and are using a US carrier you need to ask them about their international plans and use that or see if any carriers where you are going. Or buy your iPhone 14 anyplace but the USA.

There are more eSIM-supporting carriers than you realize. Click here for information→Use eSIM while traveling abroad with your iPhone - Apple Support

Mind boggling move. Mexico largest carrier don’t support esim (not in the list)

Mexico

AT&T

Movistar

Shouldn’t be a problem, the 14’s sold in Mexico have one eSIM and one physical SIM.