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Beginners: UICC & SIM

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This basic presentation / video looks at SIM (Subscriber Identity Module) card, its evolution and what is the relation between SIM and UICC (Universal Integrated Circuit Card). It also explains different form factors like 2FF, 3FF, 4FF and MFF2 and UICC contents briefly.

Finally, we look at embedded SIM (eSIM), integrated SIM (iSIM), eUICC Profiles and profile switching via remote provisioning functions.

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Beginners: UICC & SIM

  1. 1. UICC & SIM @3g4gUK
  2. 2. Different Size of SIM Cards ©3G4G • SIM stands Subscriber Identity Module • Most people do not know that once upon a time the SIM cards were the size of credit cards, we called them just SIM • Since then they have evolved to Mini, Micro and Nano SIMs • They are evolving further into embedded SIM (eSIM) and integrated SIM (iSIM)
  3. 3. Multi-SIM Cards ©3G4G
  4. 4. Form factors innovation enabling new devices ©3G4G SIM eSIM iSIM MiniSIM MicroSIM Nano SIM eSIM New iSIM 25 x15mm 15 x12mm 12.3 x8.8mm Packages Fraction ofmm2 1996 2003 2012 <2 mm2 2016 Running on SoC SecureEnclave (2FF) (3FF) (4FF) (MFF2)
  5. 5. Universal Integrated Circuit Card (UICC) ©3G4G • The SIM card that you see is actually UICC that can run different applications • Example applications shown here are 2G SIM, USIM and IMS SIM
  6. 6. UICC Contents and Security ©3G4G • Identity • MSISDN number • Authentication Data • Security Keys • Profiles • Operator Info • … USIM UICC UE or ME 3GPP TS 31.101 – picture source Tech-Invite
  7. 7. eSIM: Embedded SIM (eUICC) ©3G4G • An eSIM can come in all modern form factors such as 2FF, 3FF, 4FF, and also MFF2. Source: 1oT
  8. 8. What are eSIMs? ©3G4G • eSIMs are physical SIMs that are soldered into the device and enable storage and remote management of multiple network operator profiles (remote SIM provisioning). SIM eSIM iSIM MiniSIM MicroSIM Nano SIM eSIM New iSIM 25 x15mm 15 x12mm 12.3 x8.8mm Packages Fraction ofmm2 1996 2003 2012 <2 mm2 2016 Running on SoC SecureEnclave Source: Arm
  9. 9. What are iSIMs? ©3G4G • The integrated SIM (iSIM) moves the SIM from a separate chip into a secure enclave alongside the application processor and cellular radio on a purpose-built system on a chip (SoC). SIM eSIM iSIM MiniSIM MicroSIM Nano SIM eSIM New iSIM 25 x15mm 15 x12mm 12.3 x8.8mm Packages Fraction ofmm2 1996 2003 2012 <2 mm2 2016 Running on SoC SecureEnclave Source: Arm
  10. 10. eUICC Profiles ©3G4G Source: NTT Docomo Technical Journal (see References)
  11. 11. eUICC Profile Switching ©3G4G Source: NTT Docomo Technical Journal (see References)
  12. 12. References & Further Reading ©3G4G • Arm: The Challenges Deploying IoT (link) • Arm Special Edition: eSIM & iSIM for Dummies (link) • Arm Blog: SIM, eSIM, iSIM. What’s the Difference? (link) • River Publishers: USIM in 5G Era (link) • Nordic Semiconductor: The Difference Between SIM, eSIM & iSIM (link) • 1oT: Differences between SIM types - which SIM to choose? (link) • 1oT: The differences between consumer eSIM & M2M eSIM (link) • The 3G4G Blog: UICC and ISIM (IMS SIM) (link) • The 3G4G Blog: M2M embedded UICC (eSIM) Architecture and Use Cases (link) • The 3G4G Blog - Multi-SIM: The Jargon (link) • NTT Docomo: Building of GSMA3.1-compliant eSIM Commercial System for IoT/M2M through partnership between operators (link) • NTT Docomo: Standardization of Embedded UICC Remote Provisioning (link) • GSMA: eSIM Whitepaper (link) • The Register: SIM swiped from slain stork's GPS tracker used to rack up $2,700 phone bill (link)
  13. 13. Thank You To learn more, visit: 3G4G Website – https://www.3g4g.co.uk/ 3G4G Blog – https://blog.3g4g.co.uk/ Telecoms Infrastructure Blog – https://www.telecomsinfrastructure.com/ Operator Watch Blog – https://www.operatorwatch.com/ Connectivity Technology Blog – https://www.connectivity.technology/ Free 5G Training – https://www.free5gtraining.com/ Follow us on Twitter: https://twitter.com/3g4gUK Follow us on Facebook: https://www.facebook.com/3g4gUK/ Follow us on LinkedIn: https://www.linkedin.com/company/3g4g Follow us on SlideShare: https://www.slideshare.net/3G4GLtd Follow us on YouTube: https://www.youtube.com/3G4G5G ©3G4G

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