Top 10 Unlimited Data Sim Card UK

Last update: 12-07-2026

1

3 MOBILE

Three Mobile Pay As You Go Mobile Broadband 24 GB data SIM

More information

• Pre-loaded with 24GB of data that lasts up to 24 months.
• Access to our 5G network – at no extra cost.
• Use data in 71 destinations – up to 12GB
• SIM fits any unlocked 3G, 4G and 5G device.

9.1/10

Editor's Pick

Available at Amazon Check Price

2

SMARTY

SMARTY Unlimited Data only SIM. 1 month plan, No contract, EU Roaming

More information

• SMARTY Unlimited Data Only SIM for £20 a month. Flexible 1 month plan, cancel anytime
• EU Roaming - 12GB Included within your plan
• Unrestricted tethering in the UK
• No speed caps
• Keep your existing number
• SIM fits any unlocked 4G or 5G device, not compatible with 3G devices
• No credit check required.
• Payment method required to activate, choose the plan you want and pay on activation. Auto-renew set up for ease, manage on your dashboard
• Go to smarty.co.uk/activate to activate your SIM
• SMARTY terms of service apply

9.1/10

Available at Amazon Check Price

3

Scancom

Three 500GB Data SIM – Uncapped 5G Speeds – Renewed EVERY MONTH Until 8th OCTOBER 2025 – No Contract – Ideal for Business Mobile Broadband, Routers & Phones

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• PRELOADED DATA - 500GB Data renewed monthly until 8th OCTOBER 2025 for a one-off payment.
• EFFORTLESS PLUG & PLAY – Enjoy seamless 4G and 5G connectivity with no initial setup required.
• THE UK’S FASTEST 5G NETWORK – Stream, play, watch, work & explore with the power of 5G.
• UNIVERSAL DEVICE COMPATIBILITY - Optimised for Smartphones, Tablets, Laptops, Mobile Wi-Fi Dongles, Routers, IoT Devices, Smart Meters, Vehicles, Drones, GPS Trackers, Smart Home Devices & Security Cameras.
• DEDICATED SUPPORT - Gain peace of mind with our dedicated business customer support, ready to assist you whenever needed. Please reach us at [email protected] with the sim number and order reference.
• ZERO CONTRACTS - Benefit from our data services without the burden of contracts or recurring fees.
• VERSATILE TRIPLE CUT SIM - Our all-in-one sim card fits any Standard, Micro, and Nano size device.
• EXCLUSIVE UK DATA-ONLY - This Sim card does not support calls, texts, or roaming.
• Sims cannot be ported/transferred, promotions are non-renewable, and support for pre-registered sims is available exclusively via email.
• This item is tailored for business customers. If your order is not in the name of company / non profit registered at companies house or an Amazon business customer, by purchasing, you affirm your status as a self-employed individual.

8.8/10

Available at Amazon Check Price

4

Sims4Travel

O2 Data Sim Card Preloaded with UNLIMITED 4G/5G Data. Includes 25GB to Roam for Free in 47 Countries. No Contracts, No Commitments, No Credit Checks, No Tie-ins, No Personal ID. (Valid for 1 Month).

More information

• PRELOADED DATA: O2 SIM Card Preloaded with UNLIMITED 4G/5G Data. Enjoy Super-Fast 4G/5G Data Speeds with the UK’s most reliable network. The Data Sim Bundle lasts for 1 month from first use. Easy to renew your bundle for longer
• NO CONTRACTS: The Preloaded O2 Data SIM Card is simple to activate. There are No Contracts, No Commitments, No Credit Checks, No Tie-ins & No Personal ID required
• FREE ROAMING: Includes 25GB of Data which can be used to Roam for Free in any of the 47 countries listed in the description below. So whether you are on Holiday, a Business Trip or Working from Home, you can count on the Preloaded O2 4G/5G Data SIM for reliable & super-fast internet
• MULTIPLE USES: The Sim comes in a Triple-Sized format, meaning it is suitable for use with all O2 or Unlocked Mobile Wi-Fi devices, Routers, Tablets, iPads, Dongles, Laptops, Mobile Phones, CCTV & Alarm systems. Tethering & Mobile Hotspots are also supported
• SPEED YOU WILL LOVE: Working from Home, Streaming Online, Gaming, Scrolling through Social Media - The O2 4G/5G Preloaded SIM card provides amazing performance without any speed restrictions

8.8/10

Available at Amazon Check Price

5

EE

EE PAYG MBB 60GB 2 Months SIM (EE PAYG MBB 60GB 2 Months SIM)

More information

• 60GB of Data Included
• Lasts up to 2 months from activation
• No contract, no commitment. You can top-up to buy more data
• The EE PAYG 60GB data SIM is compatible with the all unlocked devices or those that are locked to the EE network
• SIM Card - Standard, Micro, and Nano SIM all-in-one with 60GB of data
• Brand EE
• Service Provider EE
• Cellular Technology 4G
• To view EE’s pay as you go pre-service information, visit ee.co.uk/paygservice. Please read before placing your order. You can download or save the document from your browser

8.7/10

Available at Amazon Check Price

6

Scancom

Three 50GB Data SIM – Uncapped 5G Speeds – Renewed EVERY MONTH Until 8th JUNE 2027 – No Contract – Ideal for Business Mobile Broadband, Routers & Phones

More information

• PRELOADED DATA - 50GB Data renewed monthly until 8th June 2027 for a one-off payment.
• EFFORTLESS PLUG & PLAY – Enjoy seamless 4G and 5G connectivity with no initial setup required.
• THE UK’S FASTEST 5G NETWORK – Stream, play, watch, work & explore with the power of 5G.
• UNIVERSAL DEVICE COMPATIBILITY - Optimised for Smartphones, Tablets, Laptops, Mobile Wi-Fi Dongles, Routers, IoT Devices, Smart Meters, Vehicles, Drones, GPS Trackers, Smart Home Devices & Security Cameras.
• DEDICATED SUPPORT - Gain peace of mind with our dedicated business customer support, ready to assist you whenever needed. Please reach us at [email protected] with the sim number and order reference.
• ZERO CONTRACTS - Benefit from our data services without the burden of contracts or recurring fees.
• VERSATILE TRIPLE CUT SIM - Our all-in-one sim card fits any Standard, Micro, and Nano size device.
• EXCLUSIVE UK DATA-ONLY - This Sim card does not support calls, texts, or roaming.
• Sims cannot be ported/transferred, promotions are non-renewable, and support for pre-registered sims is available exclusively via email.
• This item is tailored for business customers. If your order is not in the name of company / non profit registered at companies house or an Amazon business customer, by purchasing, you affirm your status as a self-employed individual.

8.5/10

Available at Amazon Check Price

7

Lebara

Lebara UK Unlimited Data Pay As You Go SIM Card, Unlimited UK Minutes & Texts, 100 International minutes for £25

More information

• Plan is Pre-loaded and ready to use
• 1 month plan. No contract. Change or cancel anytime
• 50% Off for 3 months when you renew
• No Credit Check
• Keep your existing number

8.4/10

Available at Amazon Check Price

8

EE

EE 150GB Data Sim includes £20 pre-paid credit, 150GB Data, Unlimited Minutes & Unlimited Texts

More information

• 150GB Data Included, lasts up to 30 days
• The sim you receive may be in old style packaging but will include the data allowances as per the description
• Roaming is not included
• Free Boost - Buy 2 packs and get 500MB free
• Unlimited calls and texts
• Allowances last up to 30 days from activation
• If the purchased pre-paid credit is not immediately available when the sim is put into the device, please message us and include the mobile number as detailed on the back of the packaging.
• To view EE’s pay as you go pre-service information, visit ee.co.uk/paygservice. Please read before placing your order. You can download or save the document from your browser.

8.3/10

Available at Amazon Check Price

9

Scancom

EE Unlimited Data SIM – Uncapped 5G Speeds – Preloaded for 2 Month from Order – No Contract – Ideal for Business Mobile Broadband, Routers & Phones

More information

• PRELOADED DATA - Unlimited Data for 2 months for a one-off payment.
• EFFORTLESS PLUG & PLAY - Experience seamless 4G & 5G connectivity, no initial setup is required.
• UNMATCHED EE NETWORK RELIABILITY - Depend on the UK's leading network for consistent business connectivity.
• UNIVERSAL DEVICE COMPATIBILITY - Optimised for Smartphones, Tablets, Laptops, Mobile Wi-Fi Dongles, Routers, IoT Devices, Smart Meters, Vehicles, GPS Trackers, Smart Home Devices & Security Cameras.
• DEDICATED SUPPORT - Gain peace of mind with our dedicated business customer support, ready to assist you whenever needed. Please reach us at [email protected] with the sim number and order reference.
• NO CONTRACTS - Benefit from our data services without the burden of contracts or recurring fees.
• VERSATILE TRIPLE CUT SIM - Our all-in-one sim card fits any Standard, Micro, and Nano size device.
• EXCLUSIVE UK DATA-ONLY - Tailored for data usage with a 600GB/month fair use UK-only data allowance; EE reserve the right to suspend the sim if the allowance is exceeded. This Sim card does not support calls, texts, or roaming.
• This item is tailored for business customers. If your order is not in the name of company / non profit registered at companies house or an Amazon business customer , by purchasing, you affirm your status as a self-employed individual and consent to being listed as a business customer with Scancom Distribution Ltd, a necessary step to complete your purchase.
• Sims cannot be ported/transferred, promotions are non-renewable, and support for pre-registered sims is available exclusively via email. Please reach us at [email protected] with the sim number and Amazon order reference.

8.2/10

Available at Amazon Check Price

10

Sims4Home

Three UK Data Sim Card Preloaded with UNLIMITED 4G/5G Data. No Contracts, No Commitments, No Credit Checks, No Tie-ins, No Personal ID. (Valid for 1 Month)

More information

• PRELOADED DATA: Three UK SIM Card Preloaded with UNLIMITED 4G/5G Data. Enjoy Super-Fast 4G/5G Data Speeds with the UK’s most reliable 5G network. The Data Sim Bundle lasts for 1 month from first use. Easy to renew your bundle for longer.
• NO CONTRACTS: The Preloaded Three Data SIM Card is simple to activate. There are No Contracts, No Commitments, No Credit Checks, No Tie-ins & No Personal ID required.
• MULTIPLE USES: The Sim comes in a Triple-Sized format, meaning it is suitable for use with all Three Network or Unlocked Mobile Wi-Fi devices, Routers, Tablets, iPads, Dongles, Laptops, Mobile Phones, CCTV & Alarm systems and more. Tethering & Mobile Hotspots are also supported.
• SPEED YOU WILL LOVE: Working from Home, Streaming Online, Gaming, Scrolling through Social Media - The Three UK 4G/5G Preloaded Data SIM provides amazing performance without any speed restrictions.
• ACTIVATION TIMINGS: Mon-Fri (9-5pm) Activations can take up to 48 hours. Weekends: Activations can take up to 48 hours, processed from the following Monday at 9am

8.1/10

Available at Amazon Check Price

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