[dijit]

They also had three revisions of SIM in that period.

I'm not saying I'm not 100% on board with these changes; I'm saying that it's silly to depend on another company. because even the flagship product which is very mature will either change or be discontinued quite easily.

[hedora]

The whole industry also went through the same sim revisions. (And, with eSIM, there are now four revisions.)