The current nano-SIM standard is something that was created by Apple. https://www.cnet.com/news/sim-card-maker-apples-design-won-standards-effort/ https://www.

The current nano-SIM standard is something that was created by Apple. https://www.cnet.com/news/sim-card-maker-apples-design-won-standards-effort/ https://www.cnet.com/news/sim-card-maker-apples-design-won-s... Since then, Apple has been pushing for carriers to support a new standard for an embedded chip in the device to hold the data currently stored on one or more removable SIM cards. >The Apple SIM supports wireless services across multiple supported carriers, which can be selected from a user interface within their operating systems, removing the need to install a SIM provided by the carrier itself. https://en.wikipedia.org/wiki/Apple_SIM https://en.wikipedia.org/wiki/Apple_SIM