The eSIM is another technology that has been slow to gather purchase despite its obvious advantages for the IoT in small devices and its utility for smartphone roaming. It has been challenged until recently by lack of a compelling business model for operators and enterprises, which is only now just emerging. As a result, the eSIM has been driven largely by makers of consumer smart watches and phones, followed most recently by other IoT devices and automobiles. At MWC 2024, there was much more optimism over eSIMs, and the special case of iSIMs where the functionality is embedded within the device SoC rather than a dedicated chip beside it, than even last year. It is true that a major milestone…