Best Sim Cards Pay As You Go Unlimited Data of 2026

Last updated on 23/05/2026
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1
EE Unlimited Data SIM – Uncapped 5G Speeds – No Contract – Preloaded Until 8th October 2027 – Plug & Play Broadband for Routers & Phones
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EE Unlimited Data SIM – Uncapped 5G Speeds – No Contract – Preloaded Until 8th October 2027 – Plug & Play Broadband for Routers & Phones

Scancom
17% Off
Why we love it
  • Unlimited Data until 2027.
  • Effortless Plug & Play Setup.
  • Reliable EE Network Connectivity.
Main Highlights
  • PRELOADED DATA - Unlimited Data until 8th OCTOBER 2027
  • 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 support@scancom.co.uk with the sim number and order reference.
  • 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 or an Amazon business customer , by purchasing, you consent to being listed as a business customer with Scancom Distribution Ltd
  • Sims cannot be ported/transferred, promotions are non-renewable, and support for pre-registered sims is available exclusively via email. Please reach us at support@scancom.co.uk with the sim number and Amazon order reference.
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9.9
Exceptional
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9.9
Exceptional
Scancom

EE Unlimited Data SIM – Uncapped 5G Speeds – No Contract – Preloaded Until 8th October 2027 – Plug & Play Broadband for Routers & Phones

17% Off
Why we love it
  • Unlimited Data until 2027.
  • Effortless Plug & Play Setup.
  • Reliable EE Network Connectivity.
Main Highlights
  • PRELOADED DATA - Unlimited Data until 8th OCTOBER 2027
  • 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 support@scancom.co.uk with the sim number and order reference.
  • 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 or an Amazon business customer , by purchasing, you consent to being listed as a business customer with Scancom Distribution Ltd
  • Sims cannot be ported/transferred, promotions are non-renewable, and support for pre-registered sims is available exclusively via email. Please reach us at support@scancom.co.uk with the sim number and Amazon order reference.
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Value for Money
2
EE Pay As You Go DATA SIM Card UK PREPAID PRELOADED PAYG Bundle - 120GB 12 month DATA SIM
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EE Pay As You Go DATA SIM Card UK PREPAID PRELOADED PAYG Bundle - 120GB 12 month DATA SIM

love 2 surf
Why we love it
  • Convenient 120GB preloaded data.
  • 12-month validity from activation.
  • Works in 150,000 UK locations.
Main Highlights
  • Preloaded 120GB data sim card
  • Bundle lasts 30 days from activation -BUNDLE DOES NOT INCLUDE EUROPEAN ROAMING
  • 4G + 5G speeds up to 25Mbps. WIFI CALLING + WIFI COVERAGE ON LONDON UNDERGROUND + 150,000 LOCATIONS ACROSS UK
  • Trio SIM fits any unlocked 4G and above phone or devices locked to Vodafone network. Personal hotspot/tethering allowed
  • 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
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9.8
Exceptional
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9.8
Exceptional
love 2 surf

EE Pay As You Go DATA SIM Card UK PREPAID PRELOADED PAYG Bundle - 120GB 12 month DATA SIM

Why we love it
  • Convenient 120GB preloaded data.
  • 12-month validity from activation.
  • Works in 150,000 UK locations.
Main Highlights
  • Preloaded 120GB data sim card
  • Bundle lasts 30 days from activation -BUNDLE DOES NOT INCLUDE EUROPEAN ROAMING
  • 4G + 5G speeds up to 25Mbps. WIFI CALLING + WIFI COVERAGE ON LONDON UNDERGROUND + 150,000 LOCATIONS ACROSS UK
  • Trio SIM fits any unlocked 4G and above phone or devices locked to Vodafone network. Personal hotspot/tethering allowed
  • 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
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3
EE Unlimited Data Sim includes £35 pre-paid credit, Unlimited Data, Unlimited Minutes & Unlimited Texts
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EE Unlimited Data Sim includes £35 pre-paid credit, Unlimited Data, Unlimited Minutes & Unlimited Texts

EE
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
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9.7
Exceptional
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9.7
Exceptional
EE

EE Unlimited Data Sim includes £35 pre-paid credit, Unlimited Data, Unlimited Minutes & Unlimited Texts

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
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4
Three PAYG Mobile Broadband SIM, Pre-loaded with 120GB of Data that Lasts up to 12 Months
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Three PAYG Mobile Broadband SIM, Pre-loaded with 120GB of Data that Lasts up to 12 Months

3
Why we love it
  • Convenient 120GB data package.
  • Lightning-fast 5G network access.
  • Global coverage in 71 destinations.
Main Highlights
  • Pre-loaded with 120GB of data that lasts up to 12 months.
  • Access to our 5G network
  • Use data in 71 destinations – up to 2GB per month
  • SIM fits any unlocked 4G and 5G device.
  • Speed up to 50Mbps
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9.5
Superb
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9.5
Superb
3

Three PAYG Mobile Broadband SIM, Pre-loaded with 120GB of Data that Lasts up to 12 Months

Why we love it
  • Convenient 120GB data package.
  • Lightning-fast 5G network access.
  • Global coverage in 71 destinations.
Main Highlights
  • Pre-loaded with 120GB of data that lasts up to 12 months.
  • Access to our 5G network
  • Use data in 71 destinations – up to 2GB per month
  • SIM fits any unlocked 4G and 5G device.
  • Speed up to 50Mbps
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5
Three by Three Mobile Data Pay As You Go SIM, Unlimited
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Three by Three Mobile Data Pay As You Go SIM, Unlimited

3
Why we love it
  • Offers unlimited data, texts, minutes.
  • Ensures connectivity during travels.
  • Compatible with any unlocked phone.
Main Highlights
  • Included components: SIM Card. Wireless communication technology: Cellular.
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9.4
Superb
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9.4
Superb
3

Three by Three Mobile Data Pay As You Go SIM, Unlimited

Why we love it
  • Offers unlimited data, texts, minutes.
  • Ensures connectivity during travels.
  • Compatible with any unlocked phone.
Main Highlights
  • Included components: SIM Card. Wireless communication technology: Cellular.
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6
EE PAYG MBB 120GB 12 Months SIM (EE PAYG MBB 120GB 12 Months SIM)
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EE PAYG MBB 120GB 12 Months SIM (EE PAYG MBB 120GB 12 Months SIM)

EE
Why we love it
  • Generous 120GB data upon activation.
  • Zero contracts attached.
  • Comes in all SIM sizes.
Main Highlights
  • 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
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9.3
Superb
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9.3
Superb
EE

EE PAYG MBB 120GB 12 Months SIM (EE PAYG MBB 120GB 12 Months SIM)

Why we love it
  • Generous 120GB data upon activation.
  • Zero contracts attached.
  • Comes in all SIM sizes.
Main Highlights
  • 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
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7
EE Pay As You Go SIM Card UK PREPAID PAYG with Unlimited data, minutes and text bundle - worth £35
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EE Pay As You Go SIM Card UK PREPAID PAYG with Unlimited data, minutes and text bundle - worth £35

love 2 surf
Why we love it
  • Unlimited data and texts included.
  • Easy activation for quick use.
  • Perfect for London underground coverage.
Main Highlights
  • Quick & Easy Sim Activation - UNLIMITED DATA, TEXTS & MINUTES
  • Bundle lasts 30 days from activation -BUNDLE DOES NOT INCLUDE EUROPEAN ROAMING
  • 4G + 5G speeds up to 25Mbps. WIFI CALLING + WIFI COVERAGE ON LONDON UNDERGROUND + 150,000 LOCATIONS ACROSS UK
  • Trio SIM fits any unlocked 4G and above phone or devices locked to Vodafone network. Personal hotspot/tethering allowed
  • 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
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9.1
Superb
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9.1
Superb
love 2 surf

EE Pay As You Go SIM Card UK PREPAID PAYG with Unlimited data, minutes and text bundle - worth £35

Why we love it
  • Unlimited data and texts included.
  • Easy activation for quick use.
  • Perfect for London underground coverage.
Main Highlights
  • Quick & Easy Sim Activation - UNLIMITED DATA, TEXTS & MINUTES
  • Bundle lasts 30 days from activation -BUNDLE DOES NOT INCLUDE EUROPEAN ROAMING
  • 4G + 5G speeds up to 25Mbps. WIFI CALLING + WIFI COVERAGE ON LONDON UNDERGROUND + 150,000 LOCATIONS ACROSS UK
  • Trio SIM fits any unlocked 4G and above phone or devices locked to Vodafone network. Personal hotspot/tethering allowed
  • 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
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8
Lebara Mobile SIM Card: Unlimited Data SIM Only Plan for £12.50, Half Price for First 3 Months, No Contract, UK Calls, Texts, International Minutes, EU and India Roaming Included, Fits All Devices
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Lebara Mobile SIM Card: Unlimited Data SIM Only Plan for £12.50, Half Price for First 3 Months, No Contract, UK Calls, Texts, International Minutes, EU and India Roaming Included, Fits All Devices

Lebara
Why we love it
  • Huge savings for three months.
  • Convenient pre-loaded plan available.
  • Flexibility to change anytime.
Main Highlights
  • Plan Features: 30-day rolling plan with no contract commitment, option to change or cancel at any time.
  • No Credit Check or Bill Shocks: Sign up hassle free in less than 60 seconds, with total control on your spend.
  • Number Portability: Transfer your existing mobile number or use the included new Lebara number.
  • Free roaming in the EU & India up to 30GB: Use your UK plan allowance in the EU and India as you would at home.
  • Pay As You Go - SIM card is pre-loaded with a month's data. Renew online at the end of 30 days to keep your plan.
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8.9
Excellent
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8.9
Excellent
Lebara

Lebara Mobile SIM Card: Unlimited Data SIM Only Plan for £12.50, Half Price for First 3 Months, No Contract, UK Calls, Texts, International Minutes, EU and India Roaming Included, Fits All Devices

Why we love it
  • Huge savings for three months.
  • Convenient pre-loaded plan available.
  • Flexibility to change anytime.
Main Highlights
  • Plan Features: 30-day rolling plan with no contract commitment, option to change or cancel at any time.
  • No Credit Check or Bill Shocks: Sign up hassle free in less than 60 seconds, with total control on your spend.
  • Number Portability: Transfer your existing mobile number or use the included new Lebara number.
  • Free roaming in the EU & India up to 30GB: Use your UK plan allowance in the EU and India as you would at home.
  • Pay As You Go - SIM card is pre-loaded with a month's data. Renew online at the end of 30 days to keep your plan.
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9
Giffgaff Nano/Micro/Standard SIM. Top Tariff Offers Unlimited Calls, Text, Data - Just Pay As You Go - no Contract. Multi Size, Fits All Devices. £5 Bonus Credit When You Top up £10 First Time.
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Giffgaff Nano/Micro/Standard SIM. Top Tariff Offers Unlimited Calls, Text, Data - Just Pay As You Go - no Contract. Multi Size, Fits All Devices. £5 Bonus Credit When You Top up £10 First Time.

Giffgaff
13% Off
Why we love it
  • Flexible SIM size options.
  • Unlimited calls, texts and data.
  • Free credit subject to changes.
Main Highlights
  • Giffgaff Nano/Micro/Standard SIM
  • Top Tariff Offers Unlimited Calls, Text, Data - Just Pay As You Go - no Contract. Just Choose the Goody bag option for you or use Giff Gaff's standard rates
  • Please note: 5 free credit is subject to change by GiffGaff and may not always be available
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8.9
Excellent
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8.9
Excellent
Giffgaff

Giffgaff Nano/Micro/Standard SIM. Top Tariff Offers Unlimited Calls, Text, Data - Just Pay As You Go - no Contract. Multi Size, Fits All Devices. £5 Bonus Credit When You Top up £10 First Time.

13% Off
Why we love it
  • Flexible SIM size options.
  • Unlimited calls, texts and data.
  • Free credit subject to changes.
Main Highlights
  • Giffgaff Nano/Micro/Standard SIM
  • Top Tariff Offers Unlimited Calls, Text, Data - Just Pay As You Go - no Contract. Just Choose the Goody bag option for you or use Giff Gaff's standard rates
  • Please note: 5 free credit is subject to change by GiffGaff and may not always be available
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10
EE PAYG £10 Data Sim Includes £10 pre-paid credit, 20GB Data, 500 Minutes and Unlimited Texts (EE £10-20GB)
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EE PAYG £10 Data Sim Includes £10 pre-paid credit, 20GB Data, 500 Minutes and Unlimited Texts (EE £10-20GB)

EE
Why we love it
  • Generous data and call allowances.
  • Attractive bonus on multiple purchases.
  • Fast 4G cellular technology.
Main Highlights
  • 20GB Data included, lasts up to 30 days
  • The packaging you receive may differ from the image displayed but the data you receive will be as detailed above
  • Roaming is not included
  • Free Boost - Buy 2 packs and get 2GB free
  • 500 minutes and unlimited texts
  • 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
  • Data Parachute. Run out of data? We'll keep you connected with 1GB of extra data, for free
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8.7
Excellent
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8.7
Excellent
EE

EE PAYG £10 Data Sim Includes £10 pre-paid credit, 20GB Data, 500 Minutes and Unlimited Texts (EE £10-20GB)

Why we love it
  • Generous data and call allowances.
  • Attractive bonus on multiple purchases.
  • Fast 4G cellular technology.
Main Highlights
  • 20GB Data included, lasts up to 30 days
  • The packaging you receive may differ from the image displayed but the data you receive will be as detailed above
  • Roaming is not included
  • Free Boost - Buy 2 packs and get 2GB free
  • 500 minutes and unlimited texts
  • 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
  • Data Parachute. Run out of data? We'll keep you connected with 1GB of extra data, for free
Show More

We scanned 1815 products

We reviewed these offers relevant to the Sim Cards Pay As You Go Unlimited Data within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Scancom, love 2 surf, EE, 3, Lebara, Giffgaff, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best Sim Cards Pay As You Go Unlimited Data in the market, we considered we took a deep dive into 9076 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that: