SIMs, USIMs, ISIMs and eSIMs
Course Details
SIM cards (Subscriber Identity Module) are a key part of 2G, 3G, 4G and
5G systems. This short course provides an insight into the physical
aspects of SIM cards, as well as their associated file structure. In so
doing, the course focuses on USIM files and how new 4G and 5G parameters
can be added. Following this, the features of USAT (USIM Application
Toolkit) and CAT (Card Application Toolkit) are examined. Finally, the
course focuses on eSIMs (Embedded SIMs) and the GSMA M2M (Machine to
Machine) and Consumer models for Remote SIM Provisioning.

Philip Nugent
Mpirical Trainer
Phil heads up Mpirical’s technical development, advising on the latest technologies and assisting the Mpirical team with his wealth of both historical and current knowledge. Phil’s specialist area is the mobile radio and RAN space, originally focussing on 2G and 3G technologies but more recently, heavily embedded with 5G New Radio for both Mpirical and customer specific projects.
£95
Individual Course
Course Contents
Evolution of SIM Cards:
- SIMs in Mobile Networks.
- UICC Standards and Card Evolution.
- Dual SIM Cards.
UICC / USIM Structure:
- UICC Logical Structure.
- UICC Physical Contacts.
- Communication with the UICC Card.
SIM / USIM File Structure and Application:
- UICC File Types and Application Structure.
- Elementary File Types.
(U)SIM and ISIM:
- 3GPP Dedicated File Applications.
- USIM Application.
- ISIM Application.
USIM Security:
- SIM PIN.
- SIM Lock.
- 3GPP Security.
- Security Aspects of File Types.
USIM Application Toolkits:
- Application Toolkits.
- USAT Features.
eSIM:
- What is an eSIM?
- eSIM Solutions.
- eSIM Remote Provisioning.
GSMA eSIM Provisioning:
- eSIM M2M Solution Architecture.
- Connectivity and Security.
- M2M Model Procedures.
- eSIM Consumer Solution Architecture.
- Consumer Model Procedures.
- Event Registration and Profile Download.
£95
Individual Course
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