SIM Card Size

Which SIM Card Size is Right for my Phone?

The SIM card is the single most important part of a mobile phone, because without it you would not be able to make calls, send texts or connect to a data service to browse the web and send emails. There are several different SIM card sizes on the market and while they all serve the same purpose, you will need to select the right SIM card size for your phone.

When you get a mobile phone as part of a pay monthly contract deal or a pay as you go package, the right SIM card should be included as part of the bundle. But if you want to switch providers and stick with your existing handset then you will have to make sure that you know which SIM card size is the one you require.

Mobiles.co.uk has SIM cards to fit your existing handset.

Standard SIM

The original SIM card, when first created, was as big as a credit card and designed for large devices. You will still find that some SIM cards of a smaller size come embedded in a larger card of this kind, so before you use them you will need to pop the SIM module out of its bigger host.

Since few mobiles use the standard SIM card size anymore because the dimensions of portable devices have shrunk over the years, you’ll probably not encounter one often.

Mini SIM

Plenty of people will be familiar with Mini SIM cards, which were the first stage in the miniaturisation of this type of item and are still used widely in feature phones and some smartphones today. Measuring 25mm by 15mm, these will slot under the battery or into the side of smartphones, so check the individual manual of your handset to work out where to find the SIM compartment.

Micro SIM

As smartphones have become thinner, it was necessary for smaller SIM cards to be created. Enter the Micro SIM, which Apple harnessed for its iPhone 4 and several other products. It has the same guts as a standard SIM, but takes up less space and will therefore only fit into a compatible slot. You can trim down an existing Mini SIM card to fit a Micro SIM smartphone, but it’s better to find one which is produced professionally to ensure compatibility.

Nano SIM

The iPhone 5 is one of the few mobiles at the moment which uses a Nano SIM card, but more should be hitting the market in the coming years. This is a thinner, smaller SIM card that allows manufacturers to make their handsets even sleeker, as evidenced by Apple’s flagship mobile.

If you have an iPhone 5, or are planning to upgrade to a new device in the next few months, always check to see which SIM card size is used so that you know what to expect and whether you need a new SIM. You can often request a fresh one from your network provider, or switch to a different tariff to get a new, compatible module outright.

Interested in what Apple might be coming out with next?

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About Rob Hodges

Ever since I first played Sonic on a Sega Mega Drive back in the early 90's, it's fair to say I've been a fan of tech. These days, I enjoy writing about the latest smartphone releases. Currently owning an LG Nexus 4, feel free to ask me any questions related to Google and Android smartphones. Why not let me know your thoughts on the latest tech over at Google+?