10 Best Unlimited Data Sim Pay As You Go

10 Best unlimited data sim pay as you go - January 2026

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Last Updated: 06-01-2026

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Three Mobile Unlimited Data Pay As You Go SIM (4G/5G) No Contracts, No Commitments, No Credit Checks, No Tie-ins, No Personal ID. (12 Months)

Sure Antennas

9.8

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EE Unlimited Data SIM Card Preloaded for 30 Days. Prepaid, not Pay as You go or a Contract. Comes with Unlimited Data. All on the UK's biggest 5G and 4G Network.

SimRush

9.6

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6% Off

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

3 MOBILE

9.5

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Best value

7% Off

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

9.2

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9% Off

EE Pay As You Go SIM Card UK PREPAID PAYG £35 Bundle - UNLIMITED DATA + Texts & Mins

love 2 surf

9.1

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EE 150GB Data Sim includes £20 pre-paid credit, 150GB Data, Unlimited Minutes & Unlimited Texts

8.8

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

Lebara

8.6

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

8.4

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Three Pay As You Go Sim Card With 40GB of data and Unlimited Minutes/Texts

Shop-for-sims

8.2

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8% Off

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

8.1

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Three Mobile Unlimited Data Pay As You Go SIM (4G/5G) No Contracts, No Commitments, No Credit Checks, No Tie-ins, No Personal ID. (12 Months)

EE Unlimited Data SIM Card Preloaded for 30 Days. Prepaid, not Pay as You go or a Contract. Comes with Unlimited Data. All on the UK's biggest 5G and 4G Network.

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

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

EE Pay As You Go SIM Card UK PREPAID PAYG £35 Bundle - UNLIMITED DATA + Texts & Mins

EE 150GB Data Sim includes £20 pre-paid credit, 150GB Data, Unlimited Minutes & Unlimited Texts

Lebara Mobile SIM Card with Unlimited Data Plan for £12.50, Half Price for First 3 Months, No Contract, UK Calls, Texts, International Minutes, 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)

Three Pay As You Go Sim Card With 40GB of data and Unlimited Minutes/Texts

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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