What is a Nano SIM in Mobile Phones?

1. 1. The Nano SIM is the smallest and most common SIM card size in the market.
   2. It is a physical chip-like card that gives you a phone number and access to a network.
   3. SIM stands for Subscriber Identity Module and it allows you to make calls, send text messages, and use mobile data.
   4. The Nano SIM card is the smallest of 3 sizes that include;
      1. Standard SIM Card
      2. Micro SIM Card
   5. You can pluck out either the Nano SIM or Micro SIM from the standard SIM card since they are designed to detach from each other.
   6. This is because different phones use different sizes of SIM Cards.

Also read: What is an eSIM and How Does it Work in Cellphones?