> And how about the small ones? I see eSim as limiting choice. I think most of the UK's small providers are just virtual providers (MVNOs)backed onto one of th

> And how about the small ones? I see eSim as limiting choice. I think most of the UK's small providers are just virtual providers (MVNOs)backed onto one of the big ones - eSIM support would presumably just be an option they select. > Third, how do you switch providers with an eSim? Haven't checked but I suspect it's exactly the same as porting your number with a physical SIM which, in the UK, is basically either a webform or phoning up to get a code from customer service. > How likely is it that the provider you're turning off can put in some innocent administrative hurdles? In the UK, zero, because they are explicitly prohibited from putting up any kind of obstruction to people wanting to move providers.