SIM (Subscriber Identity Module) is a reliable method of identifying users, checking the authenticity of endpoint devices, and securing their data. 📗 Over the years, SIMs have shrunk from the original plastic card to Mini-SIM, Micro SIM, and finally Nano-SIM. Regardless of the packaging, all SIMs are built on smart card (UICC) technology similar to […]
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The Evolution from SIM-> eSIM -> iSIM