I've sold my old ones. This update to IPad Air I just reset my earlier model to Factory and restored the setting onto my new iPad Air. I don't think I have anything called a sim card in mine. I've never had one in any iPad. Maybe it's just a Verizon thing.
I *think* Verizon iPads have had SIMs for at least a couple of years,
but I *know* that the Verizon iPad Air has one:
