Best Uk Sim Card of 2025

Last updated on 15/10/2025

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Lebara UK Unlimited Data SIM Card, Unlimited UK Minutes & Texts, 100 International minutes

Lebara UK Unlimited Data SIM Card, Unlimited UK Minutes & Texts, 100 International minutes

Lebara

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Why we love it

Pre-loaded plan ready to use.
Cancel or change anytime.
Keep your existing number.

Main Highlights

Lebara SIM

9.7

Exceptional

9.7

Exceptional

Lebara

Lebara UK Unlimited Data SIM Card, Unlimited UK Minutes & Texts, 100 International minutes

Free Shipping

Why we love it

Pre-loaded plan ready to use.
Cancel or change anytime.
Keep your existing number.

Main Highlights

Lebara SIM

Value for Money

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

Lebara

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Why we love it

Huge savings for three months.
Convenient pre-loaded plan available.
Flexibility to change anytime.

Main Highlights

Register to activate your promotion.
Plan is Pre-loaded and ready to use.
30-day rolling plan. No contract. Change or cancel anytime.
Keep your existing number.
EU and India roaming included.

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

Free Shipping

Why we love it

Huge savings for three months.
Convenient pre-loaded plan available.
Flexibility to change anytime.

Main Highlights

Register to activate your promotion.
Plan is Pre-loaded and ready to use.
30-day rolling plan. No contract. Change or cancel anytime.
Keep your existing number.
EU and India roaming included.

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

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

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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

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

Free Shipping

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

THREE 4G/5G SIM Card UK & ROAM FREE in over 70 destinations - PREPAID PAYG £10 Bundle - 20GB + (20GB FREE DATA) Unltd Texts & Mins - ROAMING ALLOWANCE 6GB

THREE 4G/5G SIM Card UK & ROAM FREE in over 70 destinations - PREPAID PAYG £10 Bundle - 20GB + (20GB FREE DATA) Unltd Texts & Mins - ROAMING ALLOWANCE 6GB

love 2 surf

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Why we love it

Generous data bundle with auto-renew.
Global roaming in 70 destinations.
Fastest 5G network in UK.

Main Highlights

Quick & Easy Sim Activation - FREE 20GB PROMO – total 40GB
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 6GB, 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)

THREE 4G/5G SIM Card UK & ROAM FREE in over 70 destinations - PREPAID PAYG £10 Bundle - 20GB + (20GB FREE DATA) Unltd Texts & Mins - ROAMING ALLOWANCE 6GB

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Why we love it

Generous data bundle with auto-renew.
Global roaming in 70 destinations.
Fastest 5G network in UK.

Main Highlights

Quick & Easy Sim Activation - FREE 20GB PROMO – total 40GB
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 6GB, 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)

Vodafone SIM Card UK PREPAID PAYG £10 Bundle -7GB + (14GB FREE DATA every month for 3 months with regular top ups (Promotion request deadline of 19.01.2026) - Love2surf RETAIL PACK

Vodafone SIM Card UK PREPAID PAYG £10 Bundle -7GB + (14GB FREE DATA every month for 3 months with regular top ups (Promotion request deadline of 19.01.2026) - Love2surf RETAIL PACK

love 2 surf

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Why we love it

Prepaid bundle provides monthly flexibility.
Fits any unlocked phone easily.
Allows affordable international calling.

Main Highlights

QUICK & EASY SIM ACTIVATION - FREE 14GB PROMO activate by 19 JAN 2026 – total 21GB
The sim pack you receive will state 7GB on the printed packaging. This will be upgraded to 21GB ‘Extra Data’ promotional offer after activation on our website
BUNDLE DOES NOT INCLUDE EUROPEAN ROAMING
Trio SIM fits any unlocked 4G and above phone or devices locked to Vodafone 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)

Vodafone SIM Card UK PREPAID PAYG £10 Bundle -7GB + (14GB FREE DATA every month for 3 months with regular top ups (Promotion request deadline of 19.01.2026) - Love2surf RETAIL PACK

Free Shipping

Why we love it

Prepaid bundle provides monthly flexibility.
Fits any unlocked phone easily.
Allows affordable international calling.

Main Highlights

QUICK & EASY SIM ACTIVATION - FREE 14GB PROMO activate by 19 JAN 2026 – total 21GB
The sim pack you receive will state 7GB on the printed packaging. This will be upgraded to 21GB ‘Extra Data’ promotional offer after activation on our website
BUNDLE DOES NOT INCLUDE EUROPEAN ROAMING
Trio SIM fits any unlocked 4G and above phone or devices locked to Vodafone 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)

EE Pay As You Go SIM Card UK PREPAID PAYG £10 Bundle 8GB + (12GB FREE DATA every month for 6 months with regular top ups (Promotion request deadline of 31.01.2026)

EE Pay As You Go SIM Card UK PREPAID PAYG £10 Bundle 8GB + (12GB FREE DATA every month for 6 months with regular top ups (Promotion request deadline of 31.01.2026)

love 2 surf

4% OffFree Shipping

Why we love it

Free 12GB data promo.
Trio SIM fits any device.
4G speeds and WiFi calling.

Main Highlights

Quick & Easy Sim Activation - FREE 12GB PROMO activate by 31 JAN 2026 – total 20GB
The sim pack you receive will state 8GB on the printed packaging. This will be upgraded to 20GB ‘Extra Data’ promotional offer after activation on our website
Bundle lasts 30 days from activation -BUNDLE DOES NOT INCLUDE EUROPEAN ROAMING. Trio SIM fits any unlocked 4G and above phone or devices locked to EE network. Personal hotspot/tethering allowed
4G speeds up to 25Mbps (No 5G with PAYG). WIFI CALLING + WIFI COVERAGE ON LONDON UNDERGROUND & 150,000 LOCATIONS ACROSS UK
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

EE Pay As You Go SIM Card UK PREPAID PAYG £10 Bundle 8GB + (12GB FREE DATA every month for 6 months with regular top ups (Promotion request deadline of 31.01.2026)

4% OffFree Shipping

Why we love it

Free 12GB data promo.
Trio SIM fits any device.
4G speeds and WiFi calling.

Main Highlights

Quick & Easy Sim Activation - FREE 12GB PROMO activate by 31 JAN 2026 – total 20GB
The sim pack you receive will state 8GB on the printed packaging. This will be upgraded to 20GB ‘Extra Data’ promotional offer after activation on our website
Bundle lasts 30 days from activation -BUNDLE DOES NOT INCLUDE EUROPEAN ROAMING. Trio SIM fits any unlocked 4G and above phone or devices locked to EE network. Personal hotspot/tethering allowed
4G speeds up to 25Mbps (No 5G with PAYG). WIFI CALLING + WIFI COVERAGE ON LONDON UNDERGROUND & 150,000 LOCATIONS ACROSS UK
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

O2 SIM Card UK & EUROPE PREPAID PAYG £10 Bundle 8GB + (16GB FREE DATA every month for 3 months with regular top ups) - Promotion request deadline of 07.01.2026

O2 SIM Card UK & EUROPE PREPAID PAYG £10 Bundle 8GB + (16GB FREE DATA every month for 3 months with regular top ups) - Promotion request deadline of 07.01.2026

love 2 surf

Free Shipping

Why we love it

Convenient prepaid bundle.
Roaming within EU zone.
Affordable international calls.

Main Highlights

Quick & Easy Sim Activation - FREE 16GB PROMO activate by 07 JAN 2026 – total 24GB
The sim pack you receive will state 8GB on the printed packaging. This will be upgraded to 24GB ‘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)

O2 SIM Card UK & EUROPE PREPAID PAYG £10 Bundle 8GB + (16GB FREE DATA every month for 3 months with regular top ups) - Promotion request deadline of 07.01.2026

Free Shipping

Why we love it

Convenient prepaid bundle.
Roaming within EU zone.
Affordable international calls.

Main Highlights

Quick & Easy Sim Activation - FREE 16GB PROMO activate by 07 JAN 2026 – total 24GB
The sim pack you receive will state 8GB on the printed packaging. This will be upgraded to 24GB ‘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)

O2 PAY AS YOU GO SIM CARD WITH £10 BUNDLE - 8 GB AND UNLIMITED CALLS AND TEXTS - ROAM IN EUROPE

O2 PAY AS YOU GO SIM CARD WITH £10 BUNDLE - 8 GB AND UNLIMITED CALLS AND TEXTS - ROAM IN EUROPE

talk all day

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Why we love it

Automatically converts into a bundle.
Lasts for 30 days.
Easy claim instructions included.

Main Highlights

credit will be automatically converted into a bundle
the £10 will be exchanged into the bundle which lasts for 30 days
before you can use for roaming, the sim HAS to be used in the UK
have to claim the credit via the instructions enclosed in the package

O2 PAY AS YOU GO SIM CARD WITH £10 BUNDLE - 8 GB AND UNLIMITED CALLS AND TEXTS - ROAM IN EUROPE

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Why we love it

Automatically converts into a bundle.
Lasts for 30 days.
Easy claim instructions included.

Main Highlights

credit will be automatically converted into a bundle
the £10 will be exchanged into the bundle which lasts for 30 days
before you can use for roaming, the sim HAS to be used in the UK
have to claim the credit via the instructions enclosed in the package

Lebara SIM Card: 25GB for £5, Half Price for First 3 Months, No Contract, UK Calls, UK Texts and International Calls Included, Multi-size, Fits All Devices

Lebara SIM Card: 25GB for £5, Half Price for First 3 Months, No Contract, UK Calls, UK Texts and International Calls Included, Multi-size, Fits All Devices

Lebara

Free Shipping

Why we love it

50% Off for three months.
Pre-loaded plan for convenience.
No contract, change anytime easily.

Main Highlights

Register to activate your promotion.
Plan is Pre-loaded and ready to use.
30-day rolling plan. No contract. Change or cancel anytime.
Keep your existing number.
Roam like home in the EU and India.

Lebara SIM Card: 25GB for £5, Half Price for First 3 Months, No Contract, UK Calls, UK Texts and International Calls Included, Multi-size, Fits All Devices

Free Shipping

Why we love it

50% Off for three months.
Pre-loaded plan for convenience.
No contract, change anytime easily.

Main Highlights

Register to activate your promotion.
Plan is Pre-loaded and ready to use.
30-day rolling plan. No contract. Change or cancel anytime.
Keep your existing number.
Roam like home in the EU and India.

Pay As You Go SIM Card, £5 Preloaded Credit, Ready to use

Pay As You Go SIM Card, £5 Preloaded Credit, Ready to use

PathfinderGTM Ltd

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Why we love it

£5 Credit Ready to Use.
Extensive Vodafone Network Coverage.
Compatible with All Phone Types.

Main Highlights

INSTANT ACTIVATION: Ready to use upon completion of simple registration process with your personal details
NETWORK COVERAGE: Access to extensive UK mobile network with nationwide coverage for calls, texts, and data
COMPATIBILITY: Standard SIM card that can be easily converted to micro or nano size to fit all mobile phone types
PAY AS YOU GO: Flexible top-up options with no contract commitment, allowing you to manage your mobile expenses

Pay As You Go SIM Card, £5 Preloaded Credit, Ready to use

Free Shipping

Why we love it

£5 Credit Ready to Use.
Extensive Vodafone Network Coverage.
Compatible with All Phone Types.

Main Highlights

INSTANT ACTIVATION: Ready to use upon completion of simple registration process with your personal details
NETWORK COVERAGE: Access to extensive UK mobile network with nationwide coverage for calls, texts, and data
COMPATIBILITY: Standard SIM card that can be easily converted to micro or nano size to fit all mobile phone types
PAY AS YOU GO: Flexible top-up options with no contract commitment, allowing you to manage your mobile expenses

We scanned 248 products

We reviewed these offers relevant to the Uk Sim Card 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 Lebara, EE, love 2 surf, talk all day, PathfinderGTM Ltd, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Uk Sim Card in the market, we considered we took a deep dive into 1241 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:

The clear winner of our analysis is Lebara UK Unlimited Data SIM Card, Unlimited UK Minutes & Texts, 100 International minutes. We love many things about this product by Lebara. What sets it apart from the competition is Pre-loaded plan ready to use. , Cancel or change anytime. , Keep your existing number.
The best value product for most shoppers and where user satisfaction is continuously the highest is 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 by Lebara based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Uk Sim Card and the best cost-to-value ratio is EE Pay As You Go SIM Card UK PREPAID PAYG £10 Bundle 8GB + (12GB FREE DATA every month for 6 months with regular top ups (Promotion request deadline of 31.01.2026)at love 2 surf with a 4% discount.
Our list of the best Uk Sim Card is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.