What Is a SIM Card? Types, Functions & How to Use One #3469341 (License: Personal Use)

This image shows a standard (full-size) SIM card with a bright red plastic body and a visible gold-plated contact area featuring eight conductive pads arranged in a specific layout for secure electrical connection. The card is isolated on a transparent checkerboard background, indicating it’s a digital asset intended for web or print use. Though largely replaced by smaller nano-SIMs today, this format was common in early mobile phones and IoT devices.

Used on telecom support pages, mobile carrier websites, device setup guides, or e-commerce product listings for SIM cards and accessories; matches user intent for understanding SIM hardware, comparing sizes, or visual identification during installation.