Proper eSIM and eUICC implementations should allow remote flashing - there is a bootstrap IMSI and allow overloading of additional. Apple SIM (sans ATT on iPad)

Proper eSIM and eUICC implementations should allow remote flashing - there is a bootstrap IMSI and allow overloading of additional. Apple SIM (sans ATT on iPad) is an early non standard implementation. But getting carriers to support the interchange is hard. Device manufacturers would love to remove the SIM card and make eSIM proprietary to lock their phones into a walled garden - “Pay to add your IMSI to this device.” Carrier do not love. Also carriers are telcos, not tech companies. One exception : IoT. Distributed sensors that have 10 year lifespan need flexibility; and eSIM is a bigger push there. Citation : Run an MVNO that is wary of the future of eSIM.