10 Best No Contract Data Sim Cards For Unlimited Data Usage

10 Best no contract data sim cards for unlimited data usage - April 2025

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Last Updated: 20-04-2025

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EE Unlimited Data SIM – Uncapped 5G Speeds – Renewed EVERY MONTH Until 8th OCTOBER 2026 – No Contract – Ideal for Business Mobile Broadband, Routers & Phones

Scancom

9.8

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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

9.6

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Vodafone Sim Card Preloaded with 20GB Data Unlimited Calls and Texts for 6 Months. No Contracts, No Commitments, No Credit Checks, No Tie-ins, No Personal ID

Generic

9.5

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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

9.2

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

Lebara

9.1

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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

8.8

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Unlimited O2 5G/4G Data SIM - NO speed caps, fastest available 5G/4G speeds - FREE Roaming in 49 European countries (25Gb data usage each month outside the UK)

TheTechnologyDoctors

8.6

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Lebara SIM Card, 5GB for £2.50, Half Price for First 3 Months, No Contract, UK Calls, UK Texts and International Calls Included, Multi-size, Fits All Devices

Lebara

8.4

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

SMARTY

8.2

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EE £10 Pay As You Go SIM - 20GB Data, Unlimited UK Minutes & Texts - No Contract, 4G/5G Ready, Fast UK Network, Easy Activation

Generic

8.1

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EE Unlimited Data SIM – Uncapped 5G Speeds – Renewed EVERY MONTH Until 8th OCTOBER 2026 – No Contract – Ideal for Business Mobile Broadband, Routers & Phones

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).

Vodafone Sim Card Preloaded with 20GB Data Unlimited Calls and Texts for 6 Months. No Contracts, No Commitments, No Credit Checks, No Tie-ins, No Personal ID

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)

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

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

Unlimited O2 5G/4G Data SIM - NO speed caps, fastest available 5G/4G speeds - FREE Roaming in 49 European countries (25Gb data usage each month outside the UK)

Lebara SIM Card, 5GB for £2.50, Half Price for First 3 Months, No Contract, UK Calls, UK Texts and International Calls Included, Multi-size, Fits All Devices

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

EE £10 Pay As You Go SIM - 20GB Data, Unlimited UK Minutes & Texts - No Contract, 4G/5G Ready, Fast UK Network, Easy Activation

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