How does e-SIM technology apply to the smart home and wearable devices?
Nowadays, most mobile phones are pursuing the ultimate slimness, and the picky of the internal space of the manufacturers has caused the SIM card to be “seriously poisoned” for many times. However, technologies such as e-SIM cards have begun to become popular on wearable devices. Recently, ARM announced its own iSIM card, claiming that it can integrate SIM cards on ARM-based SoCs to further liberate mobile phone interior space. The SIM card is not unfamiliar to everyone. Everyone calls, sends text messages or uses cellular network functions. The SIM card service provided by the operator is indispensable—although the “complex” is small, it contains the user identifier IMSI, Key information such as the KI key and mobile phone number is an essential module for mobile phones. The iSIM card technology announced by ARM, including the securely encrypted hardware area of the Kigen OS system, can not easily extract important data; at the same time, it also integrates the processor, bas...