SIM only deals work in almost the same way as a normal mobile contract, except that the deal doesn’t include a phone. You simply get a SIM card (so it’s ‘SIM only’), along with an agreed amount of monthly minutes, texts and data.
SIM only deals are great if you want to cut down on your monthly mobile bill, because they're usually cheaper than standard monthly contracts.
It’s ideal if you've got a phone you’re perfectly happy with. It gives you the flexibility to change networks, and take advantage of different network benefits.
If you're waiting for a specific phone, but it's not on sale just yet, SIM only is brilliant. Because of the short contracts, you can end your contract and get the phone of your dreams whenever it launches.
A nano SIM is the smallest SIM card. You’ll find it in phones like iPhone 6s, 6 and 5s, Samsung Galaxy S7 and S7 edge, HTC 10, Huawei P9, Sony Xperia X and LG G5.
A micro SIM is the second smallest size of SIM card. The LG G Flex 2, the Samsung Galaxy S5 and S4 all use this size.
The standard SIM is another common SIM card size. It’s used in most feature phones and lots of older smartphones like the Samsung Galaxy Ace and some BlackBerry® phones.
This SIM card is the same as a standard SIM, but gives older BlackBerry® devices access to BlackBerry® services. It’s not needed for newer BlackBerry phones running BlackBerry 10 OS such as BlackBerry® Passport, which takes a nano SIM.
The big benefit of a 30-day SIM only deal is flexibility. It means you can end a deal and start a new one almost whenever you want. If there's a phone you're waiting for and you know it'll be on sale in only a few weeks, a short 30-day SIM only deal is the perfect choice.
You’ll find the best network deals right here, on this page. You can view the deals on offer from a particular network, or simply take a look at our selection of the most popular SIM only deals. Shopping at Carphone Warehouse gives you lots of choice from our wide range of networks, and you get to keep all the usual network benefits.
When you find the deal you know you want, simply add it to your basket, select a delivery option, and complete the checkout process.
You’ll be asked to set up a Direct Debit, and also provide some information that allows us to carry out a credit check. Subject to approval, your SIM card will be delivered on the date you requested.
An upgrade deal is when you buy a new deal on your current network to replace your old deal. You can often get better deals by doing this.
The fastest way to check if you can upgrade to a pay monthly SIM only deal is with our Upgrade Checker. Just fill in your details and it'll let you know straight away whether you can upgrade today.
Whether you’ll be able to upgrade or not depends on how long you've had your current deal (the length of time varies by network), and also whether you're on pay as you go or pay monthly. Have a look at our upgrade help page to find out more.
Some tablets can connect to the internet using a network’s mobile coverage, in the same way that smartphones do. These are sometimes called connected tablets. We sell special SIM only deals that include a set amount of data each month. Slot these SIMs into your connected tablet and you can get online anywhere.
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