SIM Card Technology from A-Z
Explore the intricate world of SIM card technology in this comprehensive conference talk from the 36C3 event. Delve into the technical aspects of SIM cards, from their humble beginnings to their current widespread use in billions of phones worldwide. Gain insights into ISO7816 smart cards, SIM card hardware, operating systems, and applications. Discover the evolution from SIM to UICC, USIM, and ISIM, and learn about industry specifications, processes, and relevant bodies. Examine SIM toolkit functionality, proactive SIM features, and the emergence of eSIM technology. Understand the physical smart card interface, bit transmission levels, and key SIM card commands. Explore SIM card filesystem hierarchies, Java Card implementations, and over-the-air (OTA) management techniques. This in-depth technical overview covers nearly 30 years of SIM card technology, providing valuable knowledge for both industry professionals and curious enthusiasts.