Explore visual representations of SIM card architecture, components, and communication protocols.
SIM Card Structure Diagram
This diagram illustrates the physical structure of a standard SIM card, including the chip, contacts, and form factor.
Communication Protocol Diagram
This diagram shows the communication protocol between a SIM card and a mobile device, including command and response sequences.
Authentication Process Diagram
This diagram illustrates the authentication process between a SIM card and a mobile network, including key exchange and verification.
File System Diagram
This diagram shows the hierarchical file system structure of a SIM card, including directories, files, and access conditions.