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
All
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
  • £14/mth
Bring Your Own Phone
O2

SIM Only 5GB

  • Unlimited National Talk & Text
  • 5GB Data
  • Promotional tariff - 5GB data for £16, save £8
  • £16/mth
Bring Your Own Phone
Vodafone

8GB Red Extra SIM

  • Unlimited National Talk & Text
  • 8GB Data
  • SIM Only deal - special price
  • £17/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 30GB Data
  • Unlimited National Talk & Text
  • 30GB Data
  • £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
O2

SIM Only 10GB

  • Unlimited National Talk & Text
  • 10GB Data
  • Promotional tariff - 10GB data for £19, save £11
  • £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
Vodafone

20GB Red Extra SIM

  • Unlimited National Talk & Text
  • 20GB Data
  • SIM Only deal - special price
  • £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
Tello

£20 National Plan

  • Unlimited National Talk & Text
  • 3GB Data
  • £20/30 days
Bring Your Own Phone
EE

4GEE 20GB SIM Only Plan

  • Unlimited National Talk & Text
  • 20GB Data
  • Special Deal - 18GB for £21, ends 24 Oct 2017
  • £21/mth
Bring Your Own Phone
O2

SIM Only 20GB

  • Unlimited National Talk & Text
  • 20GB Data
  • Promotional tariff - 20GB data for £21
  • £21/mth
Bring Your Own Phone
O2

SIM Only 4GB

  • Unlimited National Talk & Text
  • 4GB Data
  • Promotional tariff - 4GB data for £21, save £4
  • £21/30 days
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 12GB Data
  • Unlimited National Talk & Text
  • 12GB Data
  • £23/mth
Bring Your Own Phone
Vodafone

25GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 25GB Data
  • SIM Only deal - special price
  • £25/mth
Bring Your Own Phone
O2

SIM Only 8GB

  • Unlimited National Talk & Text
  • 8GB Data
  • Promotional tariff - 8GB data for £25, save £6
  • £25/30 days
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 100GB Data
  • Unlimited National Talk & Text
  • 100GB Data
  • £26/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 30GB Data
  • Unlimited National Talk & Text
  • 30GB Data
  • £26/mth
Bring Your Own Phone
EE

Max 25GB SIM Only Plan

  • Unlimited National Talk & Text
  • 25GB Data
  • Special Deal - 25GB for £26, ends 24 Oct 2017
  • £26/mth
Bring Your Own Phone
O2

SIM Only 25GB

  • Unlimited National Talk & Text
  • 25GB Data
  • Promotional tariff - 25GB data for £26, save £14
  • £26/mth
Bring Your Own Phone
O2

SIM Only 6GB

  • Unlimited National Talk & Text
  • 6GB Data
  • £26/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes & Data
  • Unlimited National Talk & Text
  • Unlimited Data
  • £29/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 100GB Data
  • Unlimited National Talk & Text
  • 100GB Data
  • £29/mth
Bring Your Own Phone
Vodafone

40GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 40GB Data
  • SIM Only deal - Save £10/month
  • £30/mth
Bring Your Own Phone
O2

SIM Only 30GB

  • Unlimited National Talk & Text
  • 30GB Data
  • Promotional tariff - 30GB data for £31, save £11
  • £31/mth
Bring Your Own Phone
Vodafone

16GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 16GB Data
  • £32/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes & Data
  • Unlimited National Talk & Text
  • Unlimited Data
  • £34/mth
Bring Your Own Phone
O2

SIM Only 15GB

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

20GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 20GB Data
  • £36/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, 8GB Data
  • Unlimited National Talk & Text
  • 8GB Data
  • £20/mth
Bring Your Own Phone
Tello

£20 National Plan

  • Unlimited National Talk & Text
  • 3GB Data
  • £20/30 days
Bring Your Own Phone
O2

SIM Only 4GB

  • Unlimited National Talk & Text
  • 4GB Data
  • Promotional tariff - 4GB data for £21, save £4
  • £21/30 days
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 12GB Data
  • Unlimited National Talk & Text
  • 12GB Data
  • £23/mth
Bring Your Own Phone
O2

SIM Only 8GB

  • Unlimited National Talk & Text
  • 8GB Data
  • Promotional tariff - 8GB data for £25, save £6
  • £25/30 days
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 30GB Data
  • Unlimited National Talk & Text
  • 30GB Data
  • £26/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 100GB Data
  • Unlimited National Talk & Text
  • 100GB Data
  • £29/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes & Data
  • Unlimited National Talk & Text
  • Unlimited Data
  • £34/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
  • £14/mth
Bring Your Own Phone
O2

SIM Only 5GB

  • Unlimited National Talk & Text
  • 5GB Data
  • Promotional tariff - 5GB data for £16, save £8
  • £16/mth
Bring Your Own Phone
Vodafone

8GB Red Extra SIM

  • Unlimited National Talk & Text
  • 8GB Data
  • SIM Only deal - special price
  • £17/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 30GB Data
  • Unlimited National Talk & Text
  • 30GB Data
  • £18/mth
Bring Your Own Phone
O2

SIM Only 10GB

  • Unlimited National Talk & Text
  • 10GB Data
  • Promotional tariff - 10GB data for £19, save £11
  • £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
Vodafone

20GB Red Extra SIM

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

4GEE 20GB SIM Only Plan

  • Unlimited National Talk & Text
  • 20GB Data
  • Special Deal - 18GB for £21, ends 24 Oct 2017
  • £21/mth
Bring Your Own Phone
O2

SIM Only 20GB

  • Unlimited National Talk & Text
  • 20GB Data
  • Promotional tariff - 20GB data for £21
  • £21/mth
Bring Your Own Phone
Vodafone

25GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 25GB Data
  • SIM Only deal - special price
  • £25/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes, 100GB Data
  • Unlimited National Talk & Text
  • 100GB Data
  • £26/mth
Bring Your Own Phone
EE

Max 25GB SIM Only Plan

  • Unlimited National Talk & Text
  • 25GB Data
  • Special Deal - 25GB for £26, ends 24 Oct 2017
  • £26/mth
Bring Your Own Phone
O2

SIM Only 25GB

  • Unlimited National Talk & Text
  • 25GB Data
  • Promotional tariff - 25GB data for £26, save £14
  • £26/mth
Bring Your Own Phone
O2

SIM Only 6GB

  • Unlimited National Talk & Text
  • 6GB Data
  • £26/mth
Bring Your Own Phone
3

Advanced SIM Tariff

Unlimited Minutes & Data
  • Unlimited National Talk & Text
  • Unlimited Data
  • £29/mth
Bring Your Own Phone
Vodafone

40GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 40GB Data
  • SIM Only deal - Save £10/month
  • £30/mth
Bring Your Own Phone
O2

SIM Only 30GB

  • Unlimited National Talk & Text
  • 30GB Data
  • Promotional tariff - 30GB data for £31, save £11
  • £31/mth
Bring Your Own Phone
Vodafone

16GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 16GB Data
  • £32/mth
Bring Your Own Phone
O2

SIM Only 15GB

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

20GB Red Entertainment SIM

  • Unlimited National Talk & Text
  • 20GB Data
  • £36/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...

Featured Deals

iPhone 8 - compare plans and prices

Compare plans & prices for the new iPhone 8 & 8 Plus including any special promotions being offered

100% Free Trial

FreedomPop are offering a limited time 100% Free Trial offer. Get 1,000 mins, 1,000 Text, 1GB Data & Free Premium Voice completely free for the 1st month

Three's Data Deals

Limited Time Offer - selected SIM and Handset tariffs from Three include bonus data, terms apply - check out the deals here...

Samsung Note8 - compare plans & prices

Compare plans & prices for the new Samsung Galaxy Note8 including any special promotions being offered