Three unlimited data sim only deals
Three has a variety of unlimited data SIMs available on different contract lengths. If you need something different, Three are have a range of other SIM only deals available:
Our top pick
£55 cashback (automatic)
Three UNL 12m SIM Only
£55 cashback (automatic)
Data
Unlimited
(Unlimited speed included)
Sold by:
Allowances
Unlimited minutes
Unlimited texts
Contract
12 months
Total cost: £204
Price
£17per month
Includes: Unlimited minutes and Unlimited texts.
£96 cashback by redemption
Three UNL 12m SIM Only
£96 cashback by redemption
Data
Unlimited
(Unlimited speed included)
Sold by:
Allowances
Unlimited minutes
Unlimited texts
Contract
12 months
Total cost: £204
Price
£17per month
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Unlimited speed
5G+
Three Unlimited Lite 1m SIM Only
Unlimited speed
5G+
Data
Unlimited
(Unlimited speed included)
Sold by:
Allowances
Unlimited minutes
Unlimited texts
Contract
1 month
Price
£30per month
£72 cashback by redemption
Three 250GB 12m SIM Only
£72 cashback by redemption
Data
250 GB
(Unlimited speed included)
Sold by:
Allowances
Unlimited minutes
Unlimited texts
Contract
12 months
Total cost: £192
Price
£16per month
£35 cashback (automatic)
Three 250GB 12m SIM Only
£35 cashback (automatic)
Data
250 GB
(Unlimited speed included)
Sold by:
Allowances
Unlimited minutes
Unlimited texts
Contract
12 months
Total cost: £192
Price
£16per month
£65 cashback (automatic)
Three 100GB 15pm 12m SIM Only
£65 cashback (automatic)
Data
100 GB
(Unlimited speed included)
Sold by:
Allowances
Unlimited minutes
Unlimited texts
Contract
12 months
Total cost: £180
Price
£15per month
£108 cashback by redemption
Three 100GB 15pm 12m SIM Only
£108 cashback by redemption
Data
100 GB
(Unlimited speed included)
Sold by:
Allowances
Unlimited minutes
Unlimited texts
Contract
12 months
Total cost: £180
Price
£15per month
Unlimited speed
5G+
Three 30GB 10pm 12m SIM Only
Unlimited speed
5G+
Data
30 GB
(Unlimited speed included)
Sold by:
Allowances
Unlimited minutes
Unlimited texts
Contract
12 months
Total cost: £120
Price
£10per month
£25 cashback (automatic)
Three 30GB 10pm 12m SIM Only
£25 cashback (automatic)
Data
30 GB
(Unlimited speed included)
Sold by:
Allowances
Unlimited minutes
Unlimited texts
Contract
12 months
Total cost: £120
Price
£10per month
£48 cashback by redemption
Three 30GB 10pm 12m SIM Only
£48 cashback by redemption
Data
30 GB
(Unlimited speed included)
Sold by:
Allowances
Unlimited minutes
Unlimited texts
Contract
12 months
Total cost: £120
Price
£10per month
£96 cashback by redemption
Three 30GB 14pm 24m SIM Only
£96 cashback by redemption
Data
30 GB
(Unlimited speed included)
Sold by:
Allowances
Unlimited minutes
Unlimited texts
Contract
24 months
Total cost: £336
Price
£14per month
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