Is it possible to switch an existing "Physical SIM" based account to eSIM on an eSIM compatible phone? I'll be traveling soon and I'd like to use the physical SIM slot for an EU SIM.
I've already bought a physical SIM from ThreeUK to use on my vacation. My plan is to only need to open up my phone once, not before AND after my trip. I'm not planning on changing my phone anytime soon.I'll leave the ThreeUK physical SIM installed s...
