Nano-SIM, Micro-SIM and mini-SIM cards

Sim card size guide showing NanoSIM

Nano-SIM

The smallest physical SIM card available is the Nano-SIM format.
A Nano-SIM card measures just 12.3 × 8.8 × 0.67 mm.
Most current mobile phones and mobile devices use a Nano-SIM slot.

If you have switched to a new phone, and you need a Nano-SIM to use it, we can help. Simply visit us in store - and we can also help you to transfer your contacts.

To make sure you can always use the correct size SIM, we’ve combined the Standard SIM (Mini-SIM), the Micro-SIM and Nano-SIM into one - it's called the Triple SIM. You may also see this referred to as a Tri-SIM.

SIM stands for Subscriber Identification Module. It is a card with an embedded chip that is inserted into your mobile phone. Nano-SIM also has a technical name of 4FF (which simply means 4th Form Factor).
iPhone 5 was the first phone to use the Nano-SIM sized card, back in 2012.
Sim card size guide

Micro-SIM

If your phone needs a Micro-SIM, just pop this middle sized part of the Triple-SIM out, then place it in your phone.

The Micro-SIM measures 15 x 12 x 0.76mm.
Sim card size guide

Standard SIM (Mini-SIM)

If your phone takes a standard size SIM you don’t need to do anything - just place the SIM card straight into your mobile phone.

The Standard or Mini-SIM (also known as 2FF) measures 25 x 15 x 0.76 mm.

Switch SIM size and keep your phone number.

You can keep your mobile number when you move to a new SIM card.

Before you start this change, you'll need your mobile phone and your new SIM card.
You can visit a One NZ store to swap your number over - where we can help you with this process.
And this is true for eSIM as well. We can help you set up an eSIM on your phone.

If you need to you can get one in-store or buy a SIM card online.

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