Apple Sim Card.
I recently purchased a 2017 iPad 128 GB, unlocked, with cellular. I have a no SIM card message. When checking the SIM card tray there is no card in there. I read somewhere that since this is an unlocked version I can use a Apple SIM card and can select various carriers as needed. Where do I get that SIM card please?
iPad Wi-Fi + Cellular, iOS 11.2.1, 128GB unlocked