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.
Our top pick
Mobile SIM Deal
1 month
DATA
Unlimited
allowance
MINUTES
Unlimited
allowance
PRICE
£30
per month
Unlimited international minutes to over 40 countries
Smarty Mobile SIM Deal
1 month
DATA
Unlimited
allowance
MINUTES
Unlimited
allowance
PRICE
£20
per month
iD Mobile Mobile SIM Deal
1 month
DATA
70 GB
allowance
MINUTES
Unlimited
allowance
PRICE
£10
per month
Mobile SIM Deal
24 months
DATA
150 GB
allowance
MINUTES
Unlimited
allowance
PRICE
£19.99
per month
Airtime plan will increase every April bill thereafter. Price will be £21.79 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £23.59 from Apr 2027.
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