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
0
allowance
PRICE
£32.00
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
0
allowance
PRICE
£13.00
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.

Mobile Broadband SIM Deal
1 month
DATA
5 GB
allowance
MINUTES
0
allowance
PRICE
£16.00
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
0
allowance
PRICE
£23.00
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
0
allowance
PRICE
£30.00
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
0
allowance
PRICE
£35.00
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
12 months
DATA
250 GB
allowance
MINUTES
0
allowance
PRICE
£28.00
per month
Airtime plan will increase every April bill thereafter. Price will be £28.75 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £29.50 from Apr 2027.

Mobile Broadband SIM Deal
12 months
DATA
2 GB
allowance
MINUTES
0
allowance
PRICE
£11.00
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
12 months
DATA
5 GB
allowance
MINUTES
0
allowance
PRICE
£14.00
per month
Airtime plan will increase every April bill thereafter. Price will be £14.75 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £15.50 from Apr 2027.

Mobile Broadband SIM Deal
12 months
DATA
20 GB
allowance
MINUTES
0
allowance
PRICE
£18.00
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.

Mobile Broadband SIM Deal
12 months
DATA
100 GB
allowance
MINUTES
0
allowance
PRICE
£21.00
per month
Airtime plan will increase every April bill thereafter. Price will be £21.75 from Apr 2026. Airtime plan will increase every April bill thereafter. Price will be £22.50 from Apr 2027.
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