Unlimited Data Only SIM Card Deals
Enjoy unlimited data, calls & texts on your terms. No long contracts, just total freedom for your mobile life. Plus, enjoy the absence of EU roaming fees until 2026, making it easier to stay connected while travelling.
Unlock unbeatable flexibility with unlimited data only SIM card deals, designed for tech-savvy, budget-conscious users who want more from their mobile plan. Whether you’re working, streaming, gaming, or staying connected with friends, our monthly rolling contracts keep you in control, with the UK’s best networks and no strings attached. Keep your current handset while enjoying these deals, ensuring maximum value and convenience.
O2 - Monthly Rolling Contract
£20 / month
Unlimited Calls, Texts & Data
Includes 2000 minutes & 2000 texts - UK to Europe
5G Ready
O2 - 12 Month Contract
£19 / month
Unlimited Calls, Texts & Data
Includes 2000 minutes & 2000 texts - UK to Europe
5G Ready
Why Our SIM Only Plans Stand Out
Unlimited Data, Calls & Texts
Never stress over usage limits again. Stream, browse, work, and stay in touch—with our SIM-only contracts, it’s all truly unlimited.
Ultimate Flexibility
No lengthy contract means you’re never locked in. You can join different plans with options for 1-, 12-, or 24-month commitments, making it easy to choose a plan that fits your needs without the obligation of a new device.
Choose Your Network
This is the space to introduce the Services section. Briefly describe the types of services offered and highlight any special benefits or features.
Keep Your Number or Start Fresh
Transfer your existing number in minutes with a PAC code, or get a brand-new SIM-only plan number from us. Switching networks is easy with the Text to Switch service, allowing you to seamlessly transfer your phone number without any hassle. Simply send a text message to obtain a PAC code and start the process of transferring your number.
Get Rewarded for Spreading the Word
Refer a friend and get £10 credit when they pay their first bill. Enjoy even more value from your deal.
5G & 4G Speeds, All SIM Types Supported
Get blazing-fast internet on your device, wherever you are. We support SIM, Micro-SIM, Nano-SIM & eSIM across phones, tablets, and even mobile broadband devices. What you see is what you pay. All deals are contract clear, with no surprise costs or restrictive terms.
How It Works
Choose your SIM-only plan
Select your preferred network: O2 or Vodafone. Pick the contract length and features that fit your needs.
Order online with a few taps. Your SIM, Micro-SIM, Nano-SIM or eSIM will arrive within 7 working days.
Activate & Get Connected. Follow the activation link that was sent to you by email. Pop your SIM into your device and start enjoying unlimited data, calls, and texts.
Switch or Transfer with Ease. Keep your existing number with a simple PAC code transfer or get a new one instantly.
Enjoy Unlimited Freedom. No lengthy contracts, no hassle - just connectivity on your terms.
Choosing the Right SIM Deal
Choosing the right SIM deal can be overwhelming, with so many options available. However, by considering a few key factors, you can find the perfect SIM Only plan for your needs. Start by assessing your data usage, as this will be a major factor in determining the best plan for you. Think about how many minutes and texts you typically use each month, and consider any additional features you might need, such as international roaming or Wi-Fi calling. Don’t forget to check the network coverage in your area to ensure you get the best possible service. Finally, consider your budget and decide whether you prefer to pay monthly or annually. By taking these factors into account, you can choose a SIM deal that offers the right balance of cost, convenience, and connectivity.
Factors to
Consider
When choosing a SIM-only deal, there are several factors to consider. These include the amount of data you need, the number of minutes and texts you use, and the contract length. You should also consider the network coverage in your area, as well as any additional features you may need, such as international roaming or Wi-Fi calling. Additionally, you should think about your budget and whether you want to pay for your SIM-only plan on a monthly or annual basis. If you’re looking for unlimited data, you may want to consider an unlimited data SIM plan, which can provide you with peace of mind and no worries about running out of data. By carefully evaluating these factors, you can find a SIM Only plan that perfectly suits your lifestyle and needs.
SIM Card
Options
SIM cards are available in a range of sizes, including standard, micro, and nano. You can also choose from a range of SIM-only deals, including pay-monthly SIMS and pay-as-you-go SIMS. Each type of SIM card is designed to fit different devices, so it’s important to choose the right size for your phone or tablet. Pay monthly SIMs offer the convenience of a regular billing cycle, while pay as you go SIMs provide the flexibility to top up as needed. With so many options available, you can easily find a SIM card and plan that fits your usage habits and budget.
SIM Only Deals for Tablets and Dongles
If you’re looking for a SIM-only deal for your tablet or dongle, there are several options available. Many networks offer SIM-only plans specifically designed for tablets and dongles, which provide a set amount of data and often include additional features such as Wi-Fi calling and international roaming. You can also use a SIM-only deal in a mobile broadband device, such as a Wi-Fi hotspot, to provide internet access on the go. When choosing a SIM-only deal for your tablet or dongle, consider the amount of data you need and the contract length. You should also think about the network coverage in your area and any additional features you may need. With the right SIM-only deal, you can enjoy fast and reliable internet access on your tablet or dongle and stay connected wherever you are.
Enjoy Contract-Free Freedom with Every SIM
Don’t get tied down by lengthy contracts and complicated plans. With our SIM-only deals, your phone, tablet, or device stays connected with no hassle and unlimited data.
Customers can add their preferred SIM deal to their online shopping basket before proceeding to checkout. Keep your budget in check, switch between networks easily, and enjoy all the benefits of a pay-monthly SIM plan designed for you.
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How do monthly rolling contracts work?With a monthly rolling SIM-only contract, you’re free to change plans, switch networks, or cancel at any time. No restrictive 12- or 24-month commitments.
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How do I activate my SIM Card?When you have received your SIM card, simply click the activate button on your email to activate your SIM card.
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What is a data-only SIM card deal?A data-only SIM deal gives you access to unlimited data, with the option to include calls and texts. Unlimited data SIMs are available in various contract lengths such as 30-day, 12-month, and 24-month options. Perfect for smartphones, tablets, laptops, or as a home broadband alternative.
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Can I use the SIM for my business?Absolutely. Our unlimited data SIM deals are ideal for business users who need reliable, high-speed connections on the go.
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Who would my plan be with?Your plan will be with The SIM Warehouse directly. Choose your network and let us do the rest.
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Can I keep my mobile number?Yes! You’ll just need to request your PAC code from your old network. Simply text the word PAC to 605075. We will then transfer you number over seamlessly to your new plan.
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Do you supply handsets?No. The SIM Warehouse does not supply handsets. We are here for all your SIM only needs.
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Do you support 5G and 4G speeds?Yes, all plans come with full 5G and 4G coverage where available, so you’re always connected at top speed.
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Who do I contact?For any queries contact The SIM Warehouse. You can contact us using our Contact Us Form on our website.
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Am I tied in by fees or restrictions?No. Our SIM plans are contract clear. You pay monthly for what you use, with the freedom to change, pause, or cancel at any time.
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How long does delivery and activation take?SIM cards are delivered within 7 working days. Activation is just a click away, so you’ll be online in no time.
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Is there a difference between SIM, Micro-SIM, Nano-SIM and eSIM?Yes, these refer to different SIM sizes and formats. We offer all types, including digital eSIM, to suit any phone, tablet, or compatible device.
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How do I pay my bill?The SIM Warehouse will take an automatic payment each month using the card details you originally placed your order with.
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How long is the contract?The SIM Warehouse offers three choices of contract terms. 24 Months, 12 Months and Monthly Rolling plans. Choose the best option for you.
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Can I keep my current number?Yes, just request a PAC code from your old provider and transfer your number to your new SIM-only contract quickly and easily.