The ICCID number plays a central role in managing IoT SIM cards. It serves as the unique identifier for each SIM card, enabling effective tracking, billing, security, and overall management of ...

Here, we explain the differences between SIM, Micro-SIM and Nano-SIM, and explain which size SIM you’ll need for your iPhone. Read next: How to find the SIM number (ICCID) on your iPhone | How ...