Top 10 Data Only Sim Card

Discover our curated selection of high-quality products.

Last update: 12-07-2026

Best Mobile Data Cards overall →
1
EE PAYG SIM card preloaded with 120GB of Data
EE

EE PAYG SIM card preloaded with 120GB of Data

  • 120GB of Data Included
  • Lasts up to 12 months from activation
  • No contract, no commitment. You can top-up to buy more data
  • The EE PAYG 120GB 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 120GB of data
  • Brand EE
  • Roaming is not included
  • Cellular Technology 4G
  • Please be advised that the packaging you receive may differ from the packagaing dislayed here
  • 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
9.1/10
Editor's Pick
Available at Amazon
2
Three Mobile Pay As You Go Mobile Broadband 24 GB data SIM
3 MOBILE

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

  • 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.
9.0/10
Available at Amazon
3
Three Mobile Pay As You Go Mobile Broadband 12 GB data SIM
3 MOBILE

Three Mobile Pay As You Go Mobile Broadband 12 GB data SIM

  • Pre-loaded with 12GB of data that lasts up to 12 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.
9.0/10
Bestseller
Available at Amazon
4
SMARTY Unlimited Data only SIM. 1 month plan, No contract, EU Roaming
SMARTY

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

  • 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
9.0/10
Available at Amazon
5
Three 500GB Data SIM – Uncapped 5G Speeds – Renewed EVERY MONTH Until 8th OCTOBER 2025 – No Contract – Ideal for Business Mobile Broadband, Routers & Phones
Scancom

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

  • 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.
8.7/10
Available at Amazon
6
Three 80GB Data SIM – Uncapped 5G Speeds – Renewed EVERY MONTH Until 8th AUGUST 2025 – No Contract – Ideal for Business Mobile Broadband, Routers & Phones
Scancom

Three 80GB Data SIM – Uncapped 5G Speeds – Renewed EVERY MONTH Until 8th AUGUST 2025 – No Contract – Ideal for Business Mobile Broadband, Routers & Phones

  • PRELOADED DATA - 80GB Data renewed monthly until 8th August 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.
8.5/10
Available at Amazon
7
EE PAYG MBB 60GB 2 Months SIM (EE PAYG MBB 60GB 2 Months SIM)
EE

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

  • 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
8.4/10
Available at Amazon
8
Three 50GB Data SIM – Uncapped 5G Speeds – Renewed EVERY MONTH Until 8th JUNE 2027 – No Contract – Ideal for Business Mobile Broadband, Routers & Phones
Scancom

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

  • 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.
8.3/10
Available at Amazon
9
UK Multi-Network Data SIM Card | Automatically Selects the Strongest Network: EE, Three, O2, or Vodafone (1GB - 12 Months)

UK Multi-Network Data SIM Card | Automatically Selects the Strongest Network: EE, Three, O2, or Vodafone (1GB - 12 Months)

  • ✅ DATA PLAN DETAILS: Enjoy your total data allowance over your plan duration, starting from the SIM’s first use. This is not a monthly allowance — it’s your full data package to use as needed! Need more? Top up in seconds via your MyGraspLet account.
  • ✅ UNMATCHED NETWORK COVERAGE: Say goodbye to weak signals! Our SmartSIM automatically switches between EE, Vodafone, O2 and Three, ensuring you always have the strongest network signal anywhere in the UK. No more dead zones or dropped connections!
  • ✅ WHAT’S INCLUDED: A 3-in-1 SIM card (standard, micro and nano sizes) with data to use across all major UK networks — EE, Vodafone, O2 and Three. This is a data-only SIM, meaning no voice or texts — just pure, reliable internet!
  • ✅ PLUG & PLAY SETUP: Most devices work straight out of the box! If needed, simply follow the APN setup guide included with your SIM pack, and you’re set. No tricky steps — just seamless, instant connectivity.
  • ✅ WIDE DEVICE COMPATIBILITY: Works flawlessly with smartphones, tablets, laptops, routers, security cameras, CCTV systems, IoT devices, agricultural equipment, solar monitors, wind turbines and more. Whatever your needs, we’ve got you covered!
  • ✅ MYGRASPLET ACCOUNT: Sign up and manage your SIMs with ease through the MyGraspLet online portal. Add multiple SIMs, track your data usage, top up with more data, and explore a variety of plans — all from one simple, user-friendly platform.
  • ✅ HIGH-SPEED PERFORMANCE: Get fast, dependable internet with support for 2G, 3G, 4G and 5G networks. Stream, browse and work online smoothly, without interruptions.
  • ✅ DEDICATED CUSTOMER SUPPORT: Our UK-based support team is available 24/7, all year round. Contact us anytime via [email protected] or through your MyGraspLet account for fast, reliable assistance.
8.2/10
Available at Amazon
10
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).
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).

  • 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
8.2/10
Available at Amazon

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UK Quad Network Data Only SIM, 6GB lasts 12 Months, Three, EE, O2, Vodafone, 4G LTE + 5G Prepaid, Activates On First Use, Includes Europe EU, For Unlocked IoT Devices, Security Cameras

UK Quad Network Data Only SIM, 6GB lasts 12 Months, Three, EE, O2, Vodafone, 4G LTE + 5G Prepaid, Activates On First Use, Includes Europe EU, For Unlocked IoT Devices, Security Cameras

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

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

O2 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)

O2 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)

Lebara SIM Card, Unlimted Data SIM for £12.50, Half Price for First 3 Months, No Contract, UK Calls, UK Texts and International Calls Included, Multi-size, Fits All Devices

Lebara SIM Card, Unlimted Data SIM for £12.50, Half Price for First 3 Months, No Contract, UK Calls, UK Texts and International Calls Included, Multi-size, Fits All Devices

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

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

EE Pay As You Go SIM Card UK PREPAID PAYG £20 Bundle 50GB + (100GB FREE DATA every month for 6 months with regular top ups (Promotion request deadline of 07.10.2025)

EE Pay As You Go SIM Card UK PREPAID PAYG £20 Bundle 50GB + (100GB FREE DATA every month for 6 months with regular top ups (Promotion request deadline of 07.10.2025)

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