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5G SIM only deals

5G SIM only deals are a great way to save money if you don't need a new phone. We've found the best 5G SIM only deals available on the market.

O2 5G SIM only dealsVodafone 5G SIM only deals
Our top pick
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Basics SIM Only

Data
100 GB
Allowances
Unlimited minutes
Unlimited texts
Contract
12 months
Total cost: £144
Price
£12per month
  • Price becomes £13.50 on 1 April 2027
VeryMe Rewards app
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Up to 100Mbps

Standard SIM Only 5GB

Data
5 GB
(Up to 100Mbps included)
Allowances
Unlimited minutes
Unlimited texts
Contract
1 month
Price
£30per month
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Up to 100Mbps

Basics SIM Only

Data
11 GB
(Up to 100Mbps included)
Allowances
Unlimited minutes
Unlimited texts
Contract
12 months
Total cost: £84
Price
£7per month
  • Price becomes £8.50 on 1 April 2027
Get deal
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Up to 100Mbps

Standard SIM Only 1GB

Data
1 GB
(Up to 100Mbps included)
Allowances
Unlimited minutes
Unlimited texts
Contract
1 month
Price
£27per month
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Up to 100Mbps

Basics SIM Only

Data
60 GB
(Up to 100Mbps included)
Allowances
Unlimited minutes
Unlimited texts
Contract
12 months
Total cost: £108
Price
£9per month
  • Price becomes £10.50 on 1 April 2027
Get deal
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Up to 100Mbps

Unlimited SIM Only

Data
Unlimited
(Up to 100Mbps included)
Allowances
Unlimited minutes
Unlimited texts
Contract
1 month
Price
£47per month
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Up to 100Mbps

Basics SIM Only

Data
35 GB
(Up to 100Mbps included)
Allowances
Unlimited minutes
Unlimited texts
Contract
12 months
Total cost: £96
Price
£8per month
  • Price becomes £9.50 on 1 April 2027
Get deal
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Up to 100Mbps

Basics SIM Only

Data
70 GB
(Up to 100Mbps included)
Allowances
Unlimited minutes
Unlimited texts
Contract
12 months
Total cost: £120
Price
£10per month
  • Price becomes £11.50 on 1 April 2027
Get deal
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Up to 100Mbps

Standard SIM Only 80GB

Data
80 GB
(Up to 100Mbps included)
Allowances
Unlimited minutes
Unlimited texts
Contract
1 month
Price
£35per month
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Up to 100Mbps

Standard SIM Only 1GB

Data
1 GB
(Up to 100Mbps included)
Allowances
Unlimited minutes
Unlimited texts
Contract
24 months
Total cost: £384
Price
£16per month
  • Price becomes £18.50 on 1 April 2027
  • Price becomes £21 on 1 April 2028
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Up to 100Mbps

Standard SIM Only 30GB

Data
30 GB
(Up to 100Mbps included)
Allowances
Unlimited minutes
Unlimited texts
Contract
1 month
Price
£33per month
Get deal

Showing 1 to 10 of 478 results