Best Prepaid Data Sim Card Uk With Roaming of 2025

Last updated on 17/10/2025
Advertising disclosure
Advertising disclosure
Most Relevant
Most Relevant
Best Choice
1
O2 Prepaid Data Sim Card. 25GB of 4G/5G Data for use in over 70+ Countries Worldwide (Valid for 30 Days).Easy to Renew. Includes USA, Canada, Australia, South Africa & Europe.
O2 Prepaid Data Sim Card. 25GB of 4G/5G Data for use in over 70+ Countries Worldwide (Valid for 30 Days).Easy to Renew. Includes USA, Canada, Australia, South Africa & Europe.
Sims4Travel
Free Shipping
Why we love it
  • Global coverage in 70+ countries.
  • No roaming fees worries.
  • Outstanding customer service availability.
Main Highlights
  • WHAT YOU GET: A Prepaid/preloaded O2 Sim Card with 25GB of 4G/5G roaming data for use in 70+ countries worldwide. Includes USA, Canada, Australia, South Africa and Europe. See the full country list in the description below.
  • UNLIMITED DATA SPEEDS: this sim comes with 25GB of 4G/5G data, with no speed restrictions. Enjoy super-fast 4G/5G data speeds + free mobile hotspot/tethering + compatible with VOIP services.
  • HOW YOU GET IT: You receive a 3-in-1 Sim card that includes standard/micro/nano sizes. Activate the sim via an emil/call to Sims4Travel then insert the sim into your device. You can activate the sim before you travel or as soon as you arrive at one of the 70+ countries listed below. Either way, your sim is ready to use within an hour of activation.
  • WHO SHOULD GET IT? Anyone who hates roaming fees when travelling. Keep connected with no hidden costs
  • CUSTOMER SERVICE: We care about our customers. We're available 7 days a week to assist you, call, email or video chat. We take pride in your connectivity
  • LEGAL STUFF: Capable device required. No Personal ID required
  • EUROPEAN ROAMING COUNTRIES: Albania, Austria, Belgium, Bulgaria, Canary Islands, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Faroe Islands, Finland, France, French Territories, Germany, Gibraltar, Greece, Hungary, Iceland, Ireland, Italy (including Vatican City), Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Monaco, Netherlands, Norway, Poland, Portugal (including Madeira), Romania, Slovakia, Slovenia, Spain (including. Balearic Islands), Sweden, Channel Islands (including Guernsey
  • REST OF THE WORLD ROAMING COUNTRIES: Anguilla, Antigua, Aruba, Australia, Barbados, Bermuda, Bosnia & Herzegovina, Canada, Cayman Islands, Dominica, Ghana, Grenada, Jamaica, Kenya, Lesotho, Mexico, Montserrat, Mozambique, Netherland Antilles, New Zealand, South Africa, St Kitts and Nevis, St Vincent, St Lucia, Trinidad & Tobago, Turks and Caicos, UK Virgin Islands, USA.
Show More
9.7
Exceptional
9.7
Exceptional
Sims4Travel
O2 Prepaid Data Sim Card. 25GB of 4G/5G Data for use in over 70+ Countries Worldwide (Valid for 30 Days).Easy to Renew. Includes USA, Canada, Australia, South Africa & Europe.
Free Shipping
Why we love it
  • Global coverage in 70+ countries.
  • No roaming fees worries.
  • Outstanding customer service availability.
Main Highlights
  • WHAT YOU GET: A Prepaid/preloaded O2 Sim Card with 25GB of 4G/5G roaming data for use in 70+ countries worldwide. Includes USA, Canada, Australia, South Africa and Europe. See the full country list in the description below.
  • UNLIMITED DATA SPEEDS: this sim comes with 25GB of 4G/5G data, with no speed restrictions. Enjoy super-fast 4G/5G data speeds + free mobile hotspot/tethering + compatible with VOIP services.
  • HOW YOU GET IT: You receive a 3-in-1 Sim card that includes standard/micro/nano sizes. Activate the sim via an emil/call to Sims4Travel then insert the sim into your device. You can activate the sim before you travel or as soon as you arrive at one of the 70+ countries listed below. Either way, your sim is ready to use within an hour of activation.
  • WHO SHOULD GET IT? Anyone who hates roaming fees when travelling. Keep connected with no hidden costs
  • CUSTOMER SERVICE: We care about our customers. We're available 7 days a week to assist you, call, email or video chat. We take pride in your connectivity
  • LEGAL STUFF: Capable device required. No Personal ID required
  • EUROPEAN ROAMING COUNTRIES: Albania, Austria, Belgium, Bulgaria, Canary Islands, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Faroe Islands, Finland, France, French Territories, Germany, Gibraltar, Greece, Hungary, Iceland, Ireland, Italy (including Vatican City), Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Monaco, Netherlands, Norway, Poland, Portugal (including Madeira), Romania, Slovakia, Slovenia, Spain (including. Balearic Islands), Sweden, Channel Islands (including Guernsey
  • REST OF THE WORLD ROAMING COUNTRIES: Anguilla, Antigua, Aruba, Australia, Barbados, Bermuda, Bosnia & Herzegovina, Canada, Cayman Islands, Dominica, Ghana, Grenada, Jamaica, Kenya, Lesotho, Mexico, Montserrat, Mozambique, Netherland Antilles, New Zealand, South Africa, St Kitts and Nevis, St Vincent, St Lucia, Trinidad & Tobago, Turks and Caicos, UK Virgin Islands, USA.
Show More
Value for Money
2
T-Mobile Prepaid SIM Card - Unlimited Internet Data USA, 5GB Free Roaming Canada and Mexico with Unlimited Calls and Texts Unlimited 21 Days
T-Mobile Prepaid SIM Card - Unlimited Internet Data USA, 5GB Free Roaming Canada and Mexico with Unlimited Calls and Texts Unlimited 21 Days
T-Mobile
3% OffFree Shipping
Why we love it
  • Immediate connectivity on arrival.
  • Unlimited data, local calls.
  • Offers global texting service.
Main Highlights
  • Surf the internet, call and text immediately after your arrival. Plan valid for 21 days upon its activation.
  • Unlimited Data in the United States at 4G/LTE and Free roaming in Canada and Mexico up to 5GB. (Hostspot capable - see details below).
  • Unlimited local calls and texts within the USA, Canada, and Mexico.
  • Unlimited International Text (SMS) to the world.
  • Triple Format SIM card: Mini / Standard, Micro, Nano.
Show More
9.6
Superb
9.6
Superb
T-Mobile
T-Mobile Prepaid SIM Card - Unlimited Internet Data USA, 5GB Free Roaming Canada and Mexico with Unlimited Calls and Texts Unlimited 21 Days
3% OffFree Shipping
Why we love it
  • Immediate connectivity on arrival.
  • Unlimited data, local calls.
  • Offers global texting service.
Main Highlights
  • Surf the internet, call and text immediately after your arrival. Plan valid for 21 days upon its activation.
  • Unlimited Data in the United States at 4G/LTE and Free roaming in Canada and Mexico up to 5GB. (Hostspot capable - see details below).
  • Unlimited local calls and texts within the USA, Canada, and Mexico.
  • Unlimited International Text (SMS) to the world.
  • Triple Format SIM card: Mini / Standard, Micro, Nano.
Show More
3
EE Unlimited Data Sim includes £35 pre-paid credit, Unlimited Data, Unlimited Minutes & Unlimited Texts
EE Unlimited Data Sim includes £35 pre-paid credit, Unlimited Data, Unlimited Minutes & Unlimited Texts
EE
5% OffFree Shipping
Why we love it
  • Unlimited Data for 30 days.
  • No Roaming Hassles.
  • Unlimited Calls and Texts.
Main Highlights
  • Unlimited Data Included, lasts up to 30 days
  • Roaming is not included
  • 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
Show More
9.5
Superb
9.5
Superb
EE
EE Unlimited Data Sim includes £35 pre-paid credit, Unlimited Data, Unlimited Minutes & Unlimited Texts
5% OffFree Shipping
Why we love it
  • Unlimited Data for 30 days.
  • No Roaming Hassles.
  • Unlimited Calls and Texts.
Main Highlights
  • Unlimited Data Included, lasts up to 30 days
  • Roaming is not included
  • 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
Show More
4
Wave Connect Quad Network Data Only SIM card, Three, EE, O2, Vodafone, 4G LTE + 5G Prepaid, Activates On First Use, Includes UK, Ireland, EU, For Unlocked IoT Devices, Cameras (12GB | 12 Months)
Wave Connect Quad Network Data Only SIM card, Three, EE, O2, Vodafone, 4G LTE + 5G Prepaid, Activates On First Use, Includes UK, Ireland, EU, For Unlocked IoT Devices, Cameras (12GB | 12 Months)
Wave Connect
14% OffFree Shipping
Why we love it
  • Versatile 3-in-1 SIM card.
  • Easy online data management.
  • Works with various devices.
Main Highlights
  • THE PLAN: Data only SIM card with 12GB valid for 365 days (not 12GB per month). Refill any time to reset the duration.
  • WHAT’S INCLUDED: A 3-in-1 SIM card with data to use across all major UK networks. The card includes standard/micro/nano sizes. This is data-only, no voice or text.
  • HOW IT WORKS: Insert to use straight away, register online to view data use and top-up.
  • WHY THIS SIM? Enjoy online access to view data consumption, add alerts and notifications when nearing your data allowance, and top-up manually or choose automatic top-ups with different data allowances available.
  • WHO’S THIS FOR? This non-steered SIM card connects to all networks so is great for trail cameras, CCTV, surveillance, security, movement cameras, solar energy monitoring systems and wind turbines - although it will work with most devices.
  • TOP-UP ANYTIME: A choice of options to add more data based on your use. Downgrade or upgrade at any time. Select automatic refill to ensure you’re always connected.
Show More
9.4
Superb
9.4
Superb
Wave Connect
Wave Connect Quad Network Data Only SIM card, Three, EE, O2, Vodafone, 4G LTE + 5G Prepaid, Activates On First Use, Includes UK, Ireland, EU, For Unlocked IoT Devices, Cameras (12GB | 12 Months)
14% OffFree Shipping
Why we love it
  • Versatile 3-in-1 SIM card.
  • Easy online data management.
  • Works with various devices.
Main Highlights
  • THE PLAN: Data only SIM card with 12GB valid for 365 days (not 12GB per month). Refill any time to reset the duration.
  • WHAT’S INCLUDED: A 3-in-1 SIM card with data to use across all major UK networks. The card includes standard/micro/nano sizes. This is data-only, no voice or text.
  • HOW IT WORKS: Insert to use straight away, register online to view data use and top-up.
  • WHY THIS SIM? Enjoy online access to view data consumption, add alerts and notifications when nearing your data allowance, and top-up manually or choose automatic top-ups with different data allowances available.
  • WHO’S THIS FOR? This non-steered SIM card connects to all networks so is great for trail cameras, CCTV, surveillance, security, movement cameras, solar energy monitoring systems and wind turbines - although it will work with most devices.
  • TOP-UP ANYTIME: A choice of options to add more data based on your use. Downgrade or upgrade at any time. Select automatic refill to ensure you’re always connected.
Show More
5
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).
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
Free Shipping
Why we love it
  • Unlimited 4G/5G data preloaded.
  • No contracts or commitments.
  • Supports free international roaming.
Main Highlights
  • 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
Show More
9.2
Superb
9.2
Superb
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).
Free Shipping
Why we love it
  • Unlimited 4G/5G data preloaded.
  • No contracts or commitments.
  • Supports free international roaming.
Main Highlights
  • 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
Show More
6
OneCall O2 Prepaid 30 Day Unlimited Data SIM - 4G/5G, 25GB EU Roaming
OneCall O2 Prepaid 30 Day Unlimited Data SIM - 4G/5G, 25GB EU Roaming
OneCall
Free Shipping
Why we love it
  • Unlimited calls, texts, data.
  • Hassle-free prepaid option.
  • No commitments or contracts.
Main Highlights
  • Pre-loaded O2 Sim card with unlimited 4g/5g Data for use in the United Kingdom. Fast 4g/5g Speeds with No Restrictions.
  • Includes 25gb of Data which can be used to Roam Free at no extra cost in the European Union
  • Sim will work in any compatible devices, Routers, Tablets, iPads, Dongles, Laptops, Mobile Phones, CCTV and Alarm Systems
  • SIM card is packaged for all sizes: Nano, Micro and standard SIM card size
  • No Contracts, No Commitments, No Credit Checks
  • SIM cards cannot be activated on weekends or bank holidays. Activation only takes place Monday - Friday
Show More
9.1
Superb
9.1
Superb
OneCall
OneCall O2 Prepaid 30 Day Unlimited Data SIM - 4G/5G, 25GB EU Roaming
Free Shipping
Why we love it
  • Unlimited calls, texts, data.
  • Hassle-free prepaid option.
  • No commitments or contracts.
Main Highlights
  • Pre-loaded O2 Sim card with unlimited 4g/5g Data for use in the United Kingdom. Fast 4g/5g Speeds with No Restrictions.
  • Includes 25gb of Data which can be used to Roam Free at no extra cost in the European Union
  • Sim will work in any compatible devices, Routers, Tablets, iPads, Dongles, Laptops, Mobile Phones, CCTV and Alarm Systems
  • SIM card is packaged for all sizes: Nano, Micro and standard SIM card size
  • No Contracts, No Commitments, No Credit Checks
  • SIM cards cannot be activated on weekends or bank holidays. Activation only takes place Monday - Friday
Show More
7
THREE 4G/5G SIM Card UK & ROAM FREE in over 70 destinations - PREPAID PAYG £35 Bundle - UNLIMTED DATA + Texts & Mins - ROAMING ALLOWANCE 30GB + International Calling Option - (Love2surf RETAIL PACK)
THREE 4G/5G SIM Card UK & ROAM FREE in over 70 destinations - PREPAID PAYG £35 Bundle - UNLIMTED DATA + Texts & Mins - ROAMING ALLOWANCE 30GB + International Calling Option - (Love2surf RETAIL PACK)
love 2 surf
Free Shipping
Why we love it
  • Unlimited data with no caps.
  • Easy activation for quick use.
  • Roaming in over 70 destinations.
Main Highlights
  • QUICK & EASY SIM ACTIVATION - Unlimited data with NO caps
  • Bundle lasts 30 days from activation. NOTE: CREDIT WILL BE ZERO - allocated to bundle allowance
  • Travelling abroad - GO ROAM in over 70 destinations (includes EUROPE) - ROAMING ALLOWANCE 30GB, calls and texts to UK numbers only
  • UK’s fastest 5G network -Trio SIM fits any unlocked 4G and 5G device. Personal hotspot/tethering allowed
  • INTERNATIONAL CALLING SERVICE TO USE WITH SIM - E.g. USA - 0.3p/min and EU - 0.3p/min (optional extra)
Show More
8.9
Excellent
8.9
Excellent
love 2 surf
THREE 4G/5G SIM Card UK & ROAM FREE in over 70 destinations - PREPAID PAYG £35 Bundle - UNLIMTED DATA + Texts & Mins - ROAMING ALLOWANCE 30GB + International Calling Option - (Love2surf RETAIL PACK)
Free Shipping
Why we love it
  • Unlimited data with no caps.
  • Easy activation for quick use.
  • Roaming in over 70 destinations.
Main Highlights
  • QUICK & EASY SIM ACTIVATION - Unlimited data with NO caps
  • Bundle lasts 30 days from activation. NOTE: CREDIT WILL BE ZERO - allocated to bundle allowance
  • Travelling abroad - GO ROAM in over 70 destinations (includes EUROPE) - ROAMING ALLOWANCE 30GB, calls and texts to UK numbers only
  • UK’s fastest 5G network -Trio SIM fits any unlocked 4G and 5G device. Personal hotspot/tethering allowed
  • INTERNATIONAL CALLING SERVICE TO USE WITH SIM - E.g. USA - 0.3p/min and EU - 0.3p/min (optional extra)
Show More
8
SIM2ROAM USA Prepaid SIM Card Unlimited 5G/4G LTE High-speed Internet Data in US (Hawaii included) Unlimited Calls and Texts (SMS) in United States Refillable! (15 Days)
SIM2ROAM USA Prepaid SIM Card Unlimited 5G/4G LTE High-speed Internet Data in US (Hawaii included) Unlimited Calls and Texts (SMS) in United States Refillable! (15 Days)
SIM2ROAM
Free Shipping
Why we love it
  • Hassle-free activation and refill.
  • Expansive network coverage.
  • Tri-cut SIM versatility.
Main Highlights
  • USA local SIM card. Uses T-Mobile network. Good reception and signal. NO contract or ID authentication needed!
  • Data Plan: Unlimited 5G | 4G internet Data in USA nation-wide (Hawaii is included) + 5GB of 5G/4G Data in Canada and Mexico. Hotspot tethering is supported (3G).
  • Phone calls and Texts: Unlimited Calls & Texts among US, Canada and Mexico.
  • Validity: Valid for 15 days upon activation. Plan is refillable.
  • Sim Card Size: Standard/ Micro/ Nano all size tri-cut SIM. The sim card fits in any cell phone devices physically.
  • Activation: Activation could take up to 24 hours. Please submit the request at least 2 days in advance. Your SIM card will be activated on your scheduled date (North America Central Time Zone).
  • Smart phones ONLY. Samsung A series (A40, A50, A51, A70 etc.) and China brand (HUAWEI, OPPO, XIAOMI etc) & SONY are NOT fully compatible. Plus,🚨please make sure your device works on T-Mobile's network, Band 2 and Band 4, otherwise it won't be working.🚨
  • Weak signal strength regions: National Parks, Rural areas, Montana, North Dakota, South Dakota, Nebraska, West Virginia, Alaska.
  • Contact us anytime when you need assistance!
Show More
8.8
Excellent
8.8
Excellent
SIM2ROAM
SIM2ROAM USA Prepaid SIM Card Unlimited 5G/4G LTE High-speed Internet Data in US (Hawaii included) Unlimited Calls and Texts (SMS) in United States Refillable! (15 Days)
Free Shipping
Why we love it
  • Hassle-free activation and refill.
  • Expansive network coverage.
  • Tri-cut SIM versatility.
Main Highlights
  • USA local SIM card. Uses T-Mobile network. Good reception and signal. NO contract or ID authentication needed!
  • Data Plan: Unlimited 5G | 4G internet Data in USA nation-wide (Hawaii is included) + 5GB of 5G/4G Data in Canada and Mexico. Hotspot tethering is supported (3G).
  • Phone calls and Texts: Unlimited Calls & Texts among US, Canada and Mexico.
  • Validity: Valid for 15 days upon activation. Plan is refillable.
  • Sim Card Size: Standard/ Micro/ Nano all size tri-cut SIM. The sim card fits in any cell phone devices physically.
  • Activation: Activation could take up to 24 hours. Please submit the request at least 2 days in advance. Your SIM card will be activated on your scheduled date (North America Central Time Zone).
  • Smart phones ONLY. Samsung A series (A40, A50, A51, A70 etc.) and China brand (HUAWEI, OPPO, XIAOMI etc) & SONY are NOT fully compatible. Plus,🚨please make sure your device works on T-Mobile's network, Band 2 and Band 4, otherwise it won't be working.🚨
  • Weak signal strength regions: National Parks, Rural areas, Montana, North Dakota, South Dakota, Nebraska, West Virginia, Alaska.
  • Contact us anytime when you need assistance!
Show More
9
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)
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)
Sims4Home
Free Shipping
Why we love it
  • Unlimited 4G/5G data preloaded.
  • No contracts or commitments.
  • Compatible with multiple devices.
Main Highlights
  • 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
Show More
8.8
Excellent
8.8
Excellent
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)
Free Shipping
Why we love it
  • Unlimited 4G/5G data preloaded.
  • No contracts or commitments.
  • Compatible with multiple devices.
Main Highlights
  • 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
Show More
10
O2 SIM Card UK & EUROPE PREPAID PAYG £15 Bundle 25GB + (50GB FREE DATA every month for 3 months with regular top ups) ROAMING ALLOWANCE 25GB (Promotion request deadline of 07.01.2026)
O2 SIM Card UK & EUROPE PREPAID PAYG £15 Bundle 25GB + (50GB FREE DATA every month for 3 months with regular top ups) ROAMING ALLOWANCE 25GB (Promotion request deadline of 07.01.2026)
love 2 surf
Free Shipping
Why we love it
  • Flexible with any unlocked phone.
  • Allows cheap international calls.
  • Includes generous data allowance.
Main Highlights
  • Quick & Easy Sim Activation - FREE 50GB PROMO activate by 07 JAN 2026 – total 75GB
  • The sim pack you receive will state 25GB on the printed packaging. This will be upgraded to 75GB ‘MORE Data’ promotional offer after activation on our website
  • MUST USE SIM IN UK PRIOR TO USE IN EUROPE – data is limited to 25GB while roaming (calls & texts allowance is for UK numbers only)
  • Bundle lasts 30 days from activation. Trio SIM fits any unlocked 4G and above phone or devices locked to O2 network. Personal hotspot/tethering allowed.
  • INTERNATIONAL CALLING SERVICE TO USE WITH SIM - E.g. USA - 0.3p/min and EU - 0.3p/min (optional extra)
Show More
8.7
Excellent
8.7
Excellent
love 2 surf
O2 SIM Card UK & EUROPE PREPAID PAYG £15 Bundle 25GB + (50GB FREE DATA every month for 3 months with regular top ups) ROAMING ALLOWANCE 25GB (Promotion request deadline of 07.01.2026)
Free Shipping
Why we love it
  • Flexible with any unlocked phone.
  • Allows cheap international calls.
  • Includes generous data allowance.
Main Highlights
  • Quick & Easy Sim Activation - FREE 50GB PROMO activate by 07 JAN 2026 – total 75GB
  • The sim pack you receive will state 25GB on the printed packaging. This will be upgraded to 75GB ‘MORE Data’ promotional offer after activation on our website
  • MUST USE SIM IN UK PRIOR TO USE IN EUROPE – data is limited to 25GB while roaming (calls & texts allowance is for UK numbers only)
  • Bundle lasts 30 days from activation. Trio SIM fits any unlocked 4G and above phone or devices locked to O2 network. Personal hotspot/tethering allowed.
  • INTERNATIONAL CALLING SERVICE TO USE WITH SIM - E.g. USA - 0.3p/min and EU - 0.3p/min (optional extra)
Show More