How to transfer a SIM card to a new iPhone
How do I transfer a SIM card from my old iPhone to my new one
iPhone XR
How do I transfer a SIM card from my old iPhone to my new one
iPhone XR
Firstly, ask the cellular provider. In many cases you will need to get a new SIM, especially, if you are changing providers. In this case, you will need to unlock the phone from the old provider.
How to transfer a SIM card to a new iPhone