O2 12-month SIM only deals
O2 12-month SIM only deals are a great way to use O2 if you don't need a new phone. If you need something different, O2 are have a range of other SIM only deals available:
What extras come with an O2 12-month SIM only deal?
O2 SIM only plans include access to O2 Priority for early ticket sales and weekly treats, plus Volt benefits such as boosted data if you also have Virgin Media broadband.
You'll also get O2 Wi-Fi and inclusive roaming in selected destinations, which adds value on top of the standard minutes, texts and data.
Why choose a 12-month O2 SIM over a 30-day rolling plan?
A 12-month O2 SIM usually has a lower monthly price than the equivalent 30-day rolling deal, rewarding you for committing for the year.
If you're settled on O2's coverage and want to keep costs down without a two-year tie-in, the 12-month option strikes a sensible balance.

SIM Only Classic
- Price becomes £14.50 on 1 April 2027

SIM Only Classic
- Price becomes £17.50 on 1 April 2027

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SIM Only Classic
- Price becomes £12.50 on 1 April 2027

SIM Only Classic
- Price becomes £10.50 on 1 April 2027

SIM Only Classic
- Price becomes £11.50 on 1 April 2027

SIM Only Classic
- Price becomes £9.50 on 1 April 2027

SIM Only Classic
- Price becomes £16.50 on 1 April 2027

SIM Only Ultimate 3GB
- Price becomes £30.49 on 1 April 2027

SIM Only Ultimate Unlimited
- Price becomes £44.49 on 1 April 2027

SIM Only Ultimate 20GB
- Price becomes £33.49 on 1 April 2027

SIM Only Ultimate 100GB
- Price becomes £37.49 on 1 April 2027
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