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    Why choose SIM Only?

    Looking for a flexible and cost-effective way to stay connected? A SIM Only deal gives you all the minutes, texts, and data you need – without the hassle of upgrading your phone. Whether you're happy with your current handset or want the freedom to switch devices whenever you like, SIM Only plans are the perfect solution.

    Benefits of SIM Only plans.

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    Lower monthly costs

    No need to pay for a new phone, just your airtime.

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    More data for less

    Get generous data allowances at better prices.

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    Flexible plans

    Choose from 30-day rolling plans, or 12-month contracts.

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    Keep your number

    Switching networks? Port your number over with ease.

    Choose your network.

    We work with the UK’s leading networks to bring you the best SIM Only deals tailored to your needs.

    FAQs.

    Get answers to your SIM Only questions.

    Nope, it's absolutely free! You just have to pay for the tariff itself.

    When you take out a SIM Only contract, there’s no handset cost to factor in. You’re just paying for the minutes, texts and data allowance.

    Absolutely! Simply text the word 'PAC' to 65075 to get your PAC code. Then when you receive your new SIM card, contact your new network quoting your temporary number, existing number and PAC. They’ll sort it all out for you.

    Of course you can! If you love the mobile you already have, there’s no need to change it. Just purchase a compatible SIM card, insert it into your handset and you’re good to go.

    We only sell "Multi SIMs", which means you can pop out the right size SIM card you need for your mobile. Basically, our SIMs will fit in pretty much all UK mobiles.

    There are tonnes of network benefits available on SIM Only deals. Take a look at the icons beneath each SIM Only offer to find out what perks and extras you can get, depending on the network you choose for your SIM only deal.

    † O2: Your monthly price will increase every April by £1.80. Out of bundle charges will increase each year by 5% from 1st April. Vodafone: Monthly price will increase each April by £1.80 inc VAT (£1.00 inc VAT for Basics Plans), out of bundle charges will increase by the Consumer Price Index rate of inflation published in January of that year plus 3.9%. Three: The monthly price will increase each April. Please see the table here for more information.

    † Every year your chosen network will increase your contract changes as follows

    O2: Your monthly price will increase every April by £1.80. Out of bundle charges will increase each year by 5% from 1st April.

    Vodafone: During your minimum period, each year, on the 1st of April, your monthly plan charge will increase by £1.80 (£1.00 for Pay monthly Basics plans). Out of bundle charges will increase each April by the Consumer Price Index rate published in January of that year + 3.9%.

    Three: Each April, your monthly subscription charge will increase depending on how much data you have bought, please see the table below:

    Data allowance range

    Cost increase

    Lower or equal to 4GB

    £1.00

    Greater than 4GB, less than 100GB

    £1.25

    Greater or equal to 100GB

    £1.50

    Please see network Terms & Conditions for more details - you'll find these here.

    General

    All pay monthly offers subject to security and credit check. Charges will apply for paper billing. Charges may also apply for non-Direct Debit payment. Promo codes cannot be used in conjunction with any other offer. Full Legals.

    Data Speeds

    Advertised 4G and 5G speeds are available in selected areas. Exact speed depends on location and number of users. Check coverage using the link in the shopping basket before buying.

    Cashback

    Unless otherwise stated, cashback incentives are provided by ourselves and not the Network provider or third-party. Full details are in our T&Cs.

    Products

    All products bought on our website are provided by ourselves, not the network, and are subject to our full T&Cs.