Integrated SIM (iSIM): Security and Manufacturing Impact

System-on-chip with integrated SIM module highlighted, showing secure enclave and cellular connectivity inside a smartphone processor.

For more than three decades, mobile connectivity has depended on a removable card. First came the full-size SIM, then micro and nano variants, followed by embedded SIMs (eSIM) soldered onto device boards. Now the industry is moving toward the next step: the integrated SIM, or iSIM — a SIM implemented directly inside the main processor. … Read more