What if I have a regular SIM card and not an esim
How to hook my phone up with SIM card not an esim
iPhone XR, iOS 16
Question marked as
Learn which size SIM card your iPhone or iPad uses ---> Learn which size SIM card your iPhone or iPad uses - Apple Support
For installing see Remove or switch the SIM card in your iPhone - Apple Support
Contact your carrier about supplying the size and kind you need. Your iPhone XR should accept both regular and eSIMS.