Hello, I am looking for a plan to use with an iPad mini (6th generation) Wi‑Fi + Cellular. Given that this device supports 5G, I would like a 5G plan. When choosing the plans on https://www.bt.com/products/mobile/data-sim/ I notice that they are only 4G sims. Does BT do any 5G data only sims? If not, will a SIM designed for a phone on https://www.bt.com/products/mobile/sim-only-deals work for data on the iPad mini? Thank you.