SIM Card Size Guide

Compare SIM card sizes and find out which one your device uses. Reference dimensions, compatibility, and cutting guides.

Size Comparison Table

Common Device Compatibility

Frequently Asked Questions

Can I cut a larger SIM to fit a smaller slot?

Yes, you can cut a Mini SIM to Micro or Nano size using a SIM cutter or scissors with a template. Be careful not to damage the chip contacts. Most carriers will provide a free replacement SIM in the correct size.

Can I use an adapter to make a small SIM fit a larger slot?

Yes, SIM adapters (Nano to Micro, Nano to Mini, etc.) are inexpensive and widely available. Insert your SIM into the adapter frame and place it in the slot. Remove the adapter before switching devices to avoid jamming.

What is an eSIM?

An eSIM (embedded SIM) is a programmable SIM chip soldered directly into the device. Instead of inserting a physical card, you activate it by scanning a QR code or using a carrier app. You can store multiple profiles and switch carriers without swapping cards.

How do I find which SIM my phone uses?

Check your phone's manual, the manufacturer's website, or look at the SIM tray. You can also search your phone model in the compatibility table above. Most phones made after 2014 use Nano SIM.