There is only a limited amount of spectrum available, so something had to give to help meet this higher demand.

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However, there are alternative options. If your SIM card is too large for your phone, then you can buy a SIM card cutting tool. These tend to look a bit like a stapler, but they trim your card down to the correct size and shape.While some phones use these, at the time of writing it’s always in addition to a removable SIM card slot (at least for phones sold in the UK), so you never have to use an eSIM on a smartphone. Few networks currently support them either, but it’s expected that these will become the standard SIM type eventually. 1.3 What are the physical dimensions for each SIM card size? Calls to any number starting with these codes 06, 07744, 0845, 079112, 070, 07755, 0870, 079118, 076, 078255, 0871, 079245, 0500, 078730, 077000, 079246, 0505, 07892, 07755, 079879, 0808 and 078930 The UK is not the first country to start phasing out 3G and 2G services. The USA has already switched off all 3G networks, and other countries all over the world will be following suit, with varying timetables. Having said that, O2 claims at the time of writing that you will need a new 5G SIM card on its network. This won’t be true in all cases as it now often provides 5G SIM cards, but if for example you bought a 5G phone from the network before October 17 th 2019, then you’ll need to switch to a new 5G card.

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Plus, multiple networks and numbers can potentially be stored on an eSIM, so you can theoretically have multiple numbers on a single SIM. And you won’t need to worry about navigating all the different SIM card sizes detailed above. Note that standard SIM cards are also sometimes known as regular SIMs or mini SIMs – the latter because there was an even bigger credit card-sized SIM card available when these launched, but they’re no longer used. A nano SIM is the smallest removable SIM card size, and it’s also the most modern (other than eSIMs, which we’ll get to further down) having been introduced in 2012. This is basically just a small integrated circuit with almost nothing around it, and it’s the kind used by the vast majority of modern devices.Your Apple device is running an iOS older than 14.5, or your Android device is running a system older than Android 11. Read our guide to mobile phone recycling for detailed advice on how to securely recycle an old handset. 3G and Emergency Alerts The chart below provides a clearer look at the exact size of each SIM card type. You’ll note that combi SIMs aren’t included and that’s because at their full size they’re the same size as a standard SIM, then if you pop out a smaller section it will match the relevant SIM card size below. SIM Type Calls to numbers being used for call-forwarding services, onward-calling services or numbers that pay a revenue share If on the other hand your SIM card is too small for your phone, then you can get a SIM adapter. This is a plastic frame that you can put your SIM card in, to essentially upsize it to micro or standard size.

The UK 3G network switch-off: what you need to know - Which?

Superdrug adds new 'VIP Rewards' offers to its existing loyalty scheme – here's what you need to knowEE trialed the phase out of 3G services in 2023, with plans to fully close down the network between January and March 2024. EE's 2G services will be switched off 'later in the decade'. Find out more at EE . A micro SIM card is the middle size. These have more plastic around them than a nano SIM, but less than a standard SIM. They also have a slightly larger chip. In terms of smartphones, you might need one of these if your phone is over six years old, but they’re rarely used in recent years. Indeed, they were introduced in 2003, so they’re getting on a bit now. If you're a regular Superdrug shopper, you can now earn more freebies and discounts under its Health & Beautycard loyalty scheme, as the retailer has launched new 'VIP Rewards' as part of it. If you put your SIM card in another phone then – as long as the card and phone support the same network – people will then be able to call and text you on that phone, and you’ll be able to make calls and send texts of your own from it, using the same network and allowances as you had on your old phone.