SIM Only High Data Plans

Make the most of your smartphone with these BYO mobile phone plans that include a generous data allowance.

  • Lots of data for browsing and media streaming.
  • Control your finances and avoid excess data charges.
  • Freedom to change deals when you choose.

Search Results
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Bring Your Own Phone
3

Essential SIM Tariff

Unlimited Minutes, 4GB Data
  • Unlimited National Talk & Text
  • 4GB Data
  • £9/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 4GB Data
  • Unlimited National Talk & Text
  • 4GB Data
  • £13/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 12GB Data
  • Unlimited National Talk & Text
  • 12GB Data
  • £15/mth
Bring Your Own Phone
3

Essential SIM Tariff

Unlimited Minutes, 4GB Data
  • Unlimited National Talk & Text
  • 4GB Data
  • £15/mth
Bring Your Own Phone
O2

SIM Only 5GB

  • Unlimited National Talk & Text
  • 5GB Data
  • Deal: Introductory price - £16/mth for the first 12 months
  • £16/mth
Bring Your Own Phone
EE

4GEE 4GB SIM Only Plan

  • Unlimited National Talk & Text
  • 4GB Data
  • £17/mth
Bring Your Own Phone
Vodafone

6GB Red Extra SIM

  • Unlimited National Talk & Text
  • 6GB Data
  • Deal: Great Data Deal - 6GB SIM for £17.50
  • £17.50/mth
Bring Your Own Phone
O2

SIM Only 10GB

  • Unlimited National Talk & Text
  • 10GB Data
  • Deal: Introductory price - £18/mth for the first 12 months
  • £18/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 4GB Data
  • Unlimited National Talk & Text
  • 4GB Data
  • £18/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 30GB Data
  • Unlimited National Talk & Text
  • 30GB Data
  • £20/mth
Bring Your Own Phone
O2

SIM Only 15GB

  • Unlimited National Talk & Text
  • 15GB Data
  • Deal: Introductory price - £20/mth for the first 12 months
  • £20/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 12GB Data
  • Unlimited National Talk & Text
  • 12GB Data
  • £20/mth
Bring Your Own Phone
EE

4GEE 10GB SIM Only Plan

  • Unlimited National Talk & Text
  • 10GB Data
  • £20/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 8GB Data
  • Unlimited National Talk & Text
  • 8GB Data
  • £20/mth
Bring Your Own Phone
Vodafone

16GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 16GB Data
  • Deal: Great Data Deal - 16GB SIM for £21
  • £21/mth
Bring Your Own Phone
O2

SIM Only 6GB

  • Unlimited National Talk & Text
  • 6GB Data
  • £21/mth
Bring Your Own Phone
O2

SIM Only 12GB

  • Unlimited National Talk & Text
  • 12GB Data
  • Deal: Promotional tariff - 12GB data for £24. Ends 2 May
  • £24/30 days
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 30GB Data
  • Unlimited National Talk & Text
  • 30GB Data
  • £25/mth
Bring Your Own Phone
EE

4GEE 25GB SIM Only Plan

  • Unlimited National Talk & Text
  • 25GB Data
  • Deal: Special Deal - 25GB for £25, ends 1 May 2018
  • £25/mth
Bring Your Own Phone
Vodafone

25GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 25GB Data
  • Deal: Great Data Deal - 25GB SIM for £25
  • £25/mth
Bring Your Own Phone
O2

SIM Only 25GB

  • Unlimited National Talk & Text
  • 25GB Data
  • Deal: Introductory price - £25/mth for the first 12 months
  • £25/mth
Bring Your Own Phone
Vodafone

4GB Red Extra SIM

  • Unlimited National Talk & Text
  • 4GB Data
  • £25.50/30 days
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 100GB Data
  • Unlimited National Talk & Text
  • 100GB Data
  • £27/mth
Bring Your Own Phone
O2

SIM Only 20GB

  • Unlimited National Talk & Text
  • 20GB Data
  • Deal: Promotional tariff - 20GB data for £28. Ends 2 May
  • £28/30 days
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes & Data
  • Unlimited National Talk & Text
  • Unlimited Data
  • £30/mth
Bring Your Own Phone
O2

SIM Only 50GB

  • Unlimited National Talk & Text
  • 50GB Data
  • Deal: Introductory price - £30/mth for the first 12 months
  • £30/mth
Bring Your Own Phone
EE

4GEE 40GB SIM Only Plan

  • Unlimited National Talk & Text
  • 40GB Data
  • Deal: Special Deal - 40GB for £30, ends 1 May 2018
  • £30/mth
Bring Your Own Phone
Vodafone

8GB Red Extra SIM

  • Unlimited National Talk & Text
  • 8GB Data
  • £31/30 days
Bring Your Own Phone
O2

SIM Only 20GB

  • Unlimited National Talk & Text
  • 20GB Data
  • £34/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes & Data
  • Unlimited National Talk & Text
  • Unlimited Data
  • £35/mth
Bring Your Own Phone
Vodafone

20GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 20GB Data
  • £37/mth
Bring Your Own Phone
Vodafone

40GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 40GB Data
  • £42/mth
Bring Your Own Phone
3

Essential SIM Tariff

Unlimited Minutes, 4GB Data
  • Unlimited National Talk & Text
  • 4GB Data
  • £15/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 4GB Data
  • Unlimited National Talk & Text
  • 4GB Data
  • £18/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 12GB Data
  • Unlimited National Talk & Text
  • 12GB Data
  • £20/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 8GB Data
  • Unlimited National Talk & Text
  • 8GB Data
  • £20/mth
Bring Your Own Phone
O2

SIM Only 12GB

  • Unlimited National Talk & Text
  • 12GB Data
  • Deal: Promotional tariff - 12GB data for £24. Ends 2 May
  • £24/30 days
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 30GB Data
  • Unlimited National Talk & Text
  • 30GB Data
  • £25/mth
Bring Your Own Phone
Vodafone

4GB Red Extra SIM

  • Unlimited National Talk & Text
  • 4GB Data
  • £25.50/30 days
Bring Your Own Phone
O2

SIM Only 20GB

  • Unlimited National Talk & Text
  • 20GB Data
  • Deal: Promotional tariff - 20GB data for £28. Ends 2 May
  • £28/30 days
Bring Your Own Phone
Vodafone

8GB Red Extra SIM

  • Unlimited National Talk & Text
  • 8GB Data
  • £31/30 days
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes & Data
  • Unlimited National Talk & Text
  • Unlimited Data
  • £35/mth
Bring Your Own Phone
3

Essential SIM Tariff

Unlimited Minutes, 4GB Data
  • Unlimited National Talk & Text
  • 4GB Data
  • £9/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 4GB Data
  • Unlimited National Talk & Text
  • 4GB Data
  • £13/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 12GB Data
  • Unlimited National Talk & Text
  • 12GB Data
  • £15/mth
Bring Your Own Phone
O2

SIM Only 5GB

  • Unlimited National Talk & Text
  • 5GB Data
  • Deal: Introductory price - £16/mth for the first 12 months
  • £16/mth
Bring Your Own Phone
EE

4GEE 4GB SIM Only Plan

  • Unlimited National Talk & Text
  • 4GB Data
  • £17/mth
Bring Your Own Phone
Vodafone

6GB Red Extra SIM

  • Unlimited National Talk & Text
  • 6GB Data
  • Deal: Great Data Deal - 6GB SIM for £17.50
  • £17.50/mth
Bring Your Own Phone
O2

SIM Only 10GB

  • Unlimited National Talk & Text
  • 10GB Data
  • Deal: Introductory price - £18/mth for the first 12 months
  • £18/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 30GB Data
  • Unlimited National Talk & Text
  • 30GB Data
  • £20/mth
Bring Your Own Phone
O2

SIM Only 15GB

  • Unlimited National Talk & Text
  • 15GB Data
  • Deal: Introductory price - £20/mth for the first 12 months
  • £20/mth
Bring Your Own Phone
EE

4GEE 10GB SIM Only Plan

  • Unlimited National Talk & Text
  • 10GB Data
  • £20/mth
Bring Your Own Phone
Vodafone

16GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 16GB Data
  • Deal: Great Data Deal - 16GB SIM for £21
  • £21/mth
Bring Your Own Phone
O2

SIM Only 6GB

  • Unlimited National Talk & Text
  • 6GB Data
  • £21/mth
Bring Your Own Phone
EE

4GEE 25GB SIM Only Plan

  • Unlimited National Talk & Text
  • 25GB Data
  • Deal: Special Deal - 25GB for £25, ends 1 May 2018
  • £25/mth
Bring Your Own Phone
Vodafone

25GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 25GB Data
  • Deal: Great Data Deal - 25GB SIM for £25
  • £25/mth
Bring Your Own Phone
O2

SIM Only 25GB

  • Unlimited National Talk & Text
  • 25GB Data
  • Deal: Introductory price - £25/mth for the first 12 months
  • £25/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 100GB Data
  • Unlimited National Talk & Text
  • 100GB Data
  • £27/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes & Data
  • Unlimited National Talk & Text
  • Unlimited Data
  • £30/mth
Bring Your Own Phone
O2

SIM Only 50GB

  • Unlimited National Talk & Text
  • 50GB Data
  • Deal: Introductory price - £30/mth for the first 12 months
  • £30/mth
Bring Your Own Phone
EE

4GEE 40GB SIM Only Plan

  • Unlimited National Talk & Text
  • 40GB Data
  • Deal: Special Deal - 40GB for £30, ends 1 May 2018
  • £30/mth
Bring Your Own Phone
O2

SIM Only 20GB

  • Unlimited National Talk & Text
  • 20GB Data
  • £34/mth
Bring Your Own Phone
Vodafone

20GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 20GB Data
  • £37/mth
Bring Your Own Phone
Vodafone

40GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 40GB Data
  • £42/mth

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