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

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 6GB

  • Unlimited National Talk & Text
  • 6GB Data
  • Promotional tariff - 6GB data for £16, save £10
  • £16/mth
Bring Your Own Phone
Vodafone

6GB Red Extra SIM

  • Unlimited National Talk & Text
  • 6GB Data
  • SIM Only deal - special price
  • £16/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
Vodafone

16GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 16GB Data
  • SIM Only deal - special price
  • £19/mth
Bring Your Own Phone
EE

4GEE 3GB SIM Only Plan

  • Unlimited National Talk & Text
  • 3GB Data
  • £19.99/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 20GB

  • Unlimited National Talk & Text
  • 20GB Data
  • Promotional tariff - 20GB data for £20 + Free cinema discount pass
  • £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
3

Advanced SIM Tariff

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

4GEE 15GB SIM Only Plan

  • Unlimited National Talk & Text
  • 15GB Data
  • Special Deal - 15GB for £21, ends 21 Dec 2017
  • £21/mth
Bring Your Own Phone
Vodafone

20GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 20GB Data
  • SIM Only deal - special price
  • £23/mth
Bring Your Own Phone
O2

SIM Only 5GB

  • Unlimited National Talk & Text
  • 5GB Data
  • £24/mth
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

Max 20GB SIM Only Plan

  • Unlimited National Talk & Text
  • 20GB Data
  • Special Deal - 20GB for £25, ends 21 Dec 2017
  • £25/mth
Bring Your Own Phone
O2

SIM Only 4GB

  • Unlimited National Talk & Text
  • 4GB Data
  • £25/30 days
Bring Your Own Phone
Vodafone

4GB Red Extra SIM

  • Unlimited National Talk & Text
  • 4GB Data
  • £25/30 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
3

Advanced SIM Tariff

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

8GB Red Extra SIM

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

SIM Only 8GB

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

Max 12GB SIM Only Plan

  • Unlimited National Talk & Text
  • 12GB Data
  • £32.99/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes & Data
  • Unlimited National Talk & Text
  • Unlimited Data
  • £35/mth
Bring Your Own Phone
O2

SIM Only 15GB

  • Unlimited National Talk & Text
  • 15GB Data
  • Free cinema discount pass
  • £35/mth
Bring Your Own Phone
Vodafone

40GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 40GB Data
  • £41/mth
Bring Your Own Phone
EE

Max 30GB SIM Only Plan

  • Unlimited National Talk & Text
  • 30GB Data
  • £41.99/mth
Bring Your Own Phone
O2

SIM Only 30GB

  • Unlimited National Talk & Text
  • 30GB Data
  • Free cinema discount pass
  • £42/mth
Bring Your Own Phone
EE

Max 40GB SIM Only Plan

  • Unlimited National Talk & Text
  • 40GB Data
  • £44.99/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
3

Advanced SIM Tariff

Unlimited Minutes, 30GB Data
  • Unlimited National Talk & Text
  • 30GB Data
  • £25/mth
Bring Your Own Phone
O2

SIM Only 4GB

  • Unlimited National Talk & Text
  • 4GB Data
  • £25/30 days
Bring Your Own Phone
Vodafone

4GB Red Extra SIM

  • Unlimited National Talk & Text
  • 4GB Data
  • £25/30 days
Bring Your Own Phone
Vodafone

8GB Red Extra SIM

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

SIM Only 8GB

  • 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

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 6GB

  • Unlimited National Talk & Text
  • 6GB Data
  • Promotional tariff - 6GB data for £16, save £10
  • £16/mth
Bring Your Own Phone
Vodafone

6GB Red Extra SIM

  • Unlimited National Talk & Text
  • 6GB Data
  • SIM Only deal - special price
  • £16/mth
Bring Your Own Phone
Vodafone

16GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 16GB Data
  • SIM Only deal - special price
  • £19/mth
Bring Your Own Phone
EE

4GEE 3GB SIM Only Plan

  • Unlimited National Talk & Text
  • 3GB Data
  • £19.99/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 20GB

  • Unlimited National Talk & Text
  • 20GB Data
  • Promotional tariff - 20GB data for £20 + Free cinema discount pass
  • £20/mth
Bring Your Own Phone
EE

4GEE 15GB SIM Only Plan

  • Unlimited National Talk & Text
  • 15GB Data
  • Special Deal - 15GB for £21, ends 21 Dec 2017
  • £21/mth
Bring Your Own Phone
Vodafone

20GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 20GB Data
  • SIM Only deal - special price
  • £23/mth
Bring Your Own Phone
O2

SIM Only 5GB

  • Unlimited National Talk & Text
  • 5GB Data
  • £24/mth
Bring Your Own Phone
EE

Max 20GB SIM Only Plan

  • Unlimited National Talk & Text
  • 20GB Data
  • Special Deal - 20GB for £25, ends 21 Dec 2017
  • £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
EE

Max 12GB SIM Only Plan

  • Unlimited National Talk & Text
  • 12GB Data
  • £32.99/mth
Bring Your Own Phone
O2

SIM Only 15GB

  • Unlimited National Talk & Text
  • 15GB Data
  • Free cinema discount pass
  • £35/mth
Bring Your Own Phone
Vodafone

40GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 40GB Data
  • £41/mth
Bring Your Own Phone
EE

Max 30GB SIM Only Plan

  • Unlimited National Talk & Text
  • 30GB Data
  • £41.99/mth
Bring Your Own Phone
O2

SIM Only 30GB

  • Unlimited National Talk & Text
  • 30GB Data
  • Free cinema discount pass
  • £42/mth
Bring Your Own Phone
EE

Max 40GB SIM Only Plan

  • Unlimited National Talk & Text
  • 40GB Data
  • £44.99/mth

Compare phones and tariffs from the following carriers...

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New 4GEE Plans

Check out EE's best SIM Only deals, 15GB for £21 and 20GB for £25, for limited time only...