Types of SIM Cards

Need to know which SIM card to use? Explore our comprehensive guide to SIM card types, including their sizes, compatibility, and benefits.

Learn about the different types of SIM cards, including full-size, mini, micro, nano, and eSIM.

Discover which size is compatible with your device and understand the benefits of each.

Based on Size (Form Factor)

• Full-Size SIM (1FF): The largest and oldest type, now rarely used.

• Mini SIM (2FF): Used in older smartphones and some IoT devices.

• Micro SIM (3FF): Still used in some devices, but less common.

• Nano SIM (4FF): The most common size used in modern smartphones.

• Embedded SIM (eSIM): A digital SIM built into the device, eliminating the need for a physical card.

Based on Functionality

• Single SIM: Can only hold one mobile subscription at a time.

• Dual SIM: Can hold two mobile subscriptions simultaneously.

• Triple SIM: Can hold three mobile subscriptions simultaneously.

Based on Technology

• GSM SIM: Used in GSM networks, which are widely used globally.

• CDMA SIM: Used in CDMA networks, which were more common in the US and some Asian countries.

• LTE SIM: Supports LTE (4G) networks, the standard for high-speed mobile data.

• 5G SIM: Supports 5G networks, offering even faster speeds and lower latency.