I am returning a new iphone after trying it out. I now cannot use my old phone to make a phone call. How can I fix this?
How to revert back to making calls on my iphone after returning a new one.
iPhone 11
Question marked as
You need to contact your cellular carrier to reactivate your current phone.
That may require getting a new SIM or they may just need to reactivate the SIM in your iPhone 11.