O2 mobile broadband SIM only
O2 mobile broadband SIMs are used for devices as as mifi units. If you need something different, O2 are have a range of other SIM only deals available:
Our top pick
Mobile Broadband SIM Deal
1 month
DATA
250 GB
allowance
MINUTES
Unlimited
allowance
PRICE
£32
per month
Airtime plan will increase every April bill thereafter. Price will be £32.75 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £33.50 from Apr 2027.
Mobile Broadband SIM Deal
1 month
DATA
2 GB
allowance
MINUTES
Unlimited
allowance
PRICE
£13
per month
Airtime plan will increase every April bill thereafter. Price will be £13.75 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £14.50 from Apr 2027.
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Mobile Broadband SIM Deal
1 month
DATA
5 GB
allowance
MINUTES
Unlimited
allowance
PRICE
£16
per month
Airtime plan will increase every April bill thereafter. Price will be £16.75 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £17.50 from Apr 2027.
Mobile Broadband SIM Deal
1 month
DATA
20 GB
allowance
MINUTES
Unlimited
allowance
PRICE
£23
per month
Airtime plan will increase every April bill thereafter. Price will be £23.75 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £24.50 from Apr 2027.
Mobile Broadband SIM Deal
1 month
DATA
100 GB
allowance
MINUTES
Unlimited
allowance
PRICE
£30
per month
Airtime plan will increase every April bill thereafter. Price will be £30.75 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £31.50 from Apr 2027.
Mobile Broadband SIM Deal
1 month
DATA
Unlimited
allowance
MINUTES
Unlimited
allowance
PRICE
£35
per month
Airtime plan will increase every April bill thereafter. Price will be £35.75 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £36.50 from Apr 2027.
Mobile Broadband SIM Deal
24 months
DATA
250 GB
allowance
MINUTES
Unlimited
allowance
PRICE
£25
per month
Airtime plan will increase every April bill thereafter. Price will be £25.75 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £26.50 from Apr 2027.
Mobile Broadband SIM Deal
24 months
DATA
2 GB
allowance
MINUTES
Unlimited
allowance
PRICE
£8
per month
Airtime plan will increase every April bill thereafter. Price will be £8.75 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £9.50 from Apr 2027.
Mobile Broadband SIM Deal
24 months
DATA
5 GB
allowance
MINUTES
Unlimited
allowance
PRICE
£11
per month
Airtime plan will increase every April bill thereafter. Price will be £11.75 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £12.50 from Apr 2027.
Mobile Broadband SIM Deal
24 months
DATA
20 GB
allowance
MINUTES
Unlimited
allowance
PRICE
£15
per month
Airtime plan will increase every April bill thereafter. Price will be £15.75 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £16.50 from Apr 2027.
Mobile Broadband SIM Deal
24 months
DATA
100 GB
allowance
MINUTES
Unlimited
allowance
PRICE
£18
per month
Airtime plan will increase every April bill thereafter. Price will be £18.75 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £19.50 from Apr 2027.
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