Sim Card Reader Link

: Professionals use readers to perform SIM cloning for network isolation (preventing a device from connecting to a tower) or to upgrade hardware, such as converting a single-SIM iPhone motherboard to a dual-SIM configuration.

: Newer specialized readers, such as those from EIOTCLUB , allow older devices or those without native eSIM support to use eSIM technology by programming profiles onto a physical "bridge" card. SIM Card Reader