 | SIM Only SIM Card on the O2 networkHere are the cheapest deals available when buying a SIM Only SIM Card mobile phone on the O2 network today. The best deal found on each tariff is shown Click on the 'Buy Now' links below to be taken to the relevant retailer's site where you will find full detail of the offers.
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Annual Price Changes - O2 : Monthly price will increase every April by £2.50
Best SIM Only SIM Card Deals on O2
| Tariff | Free Mins | Free Txts | Data | Upfront Cost | Initial Monthly Cost | Offer Details | Total Cost | Buy Online |
|---|---|---|---|---|---|---|---|---|
 O2 Unlimited + 12GB at £6.9912 month contract | Unlimited minutes | Unlimited texts | 12.00 GB data | FREE | £6.99 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £6.99/mth over 12 mths |   View More Info |
| O2 Unlimited + 32GB at £8 12 month contract | Unlimited minutes | Unlimited texts | 32.00 GB data | FREE | £8.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £8.00/mth over 12 mths | View More Info |
| O2 Unlimited + 50GB at £8.50 12 month contract | Unlimited minutes | Unlimited texts | 50.00 GB data | FREE | £8.50 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £8.50/mth over 12 mths | View More Info |
| O2 Unlimited + 60GB at £9.50 12 month contract | Unlimited minutes | Unlimited texts | 60.00 GB data | FREE | £9.50 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £9.50/mth over 12 mths | View More Info |
| O2 Unlimited + 80GB at £10 12 month contract | Unlimited minutes | Unlimited texts | 80.00 GB data | FREE | £10.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £10.00/mth over 12 mths | View More Info |
| O2 Unlimited + 10GB at £10 | Unlimited minutes | Unlimited texts | 10.00 GB data | FREE | £10.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £10.00/mth over 1 mths | View More Info |
| O2 Unlimited + 100GB at £12 12 month contract | Unlimited minutes | Unlimited texts | 100.00 GB data | FREE | £12.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £12.00/mth over 12 mths | View More Info |
| O2 Unlimited + 30GB at £15 | Unlimited minutes | Unlimited texts | 30.00 GB data | FREE | £15.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £15.00/mth over 1 mths | View More Info |
| O2 Unlimited + 250GB at £15 12 month contract | Unlimited minutes | Unlimited texts | 250.00 GB data | FREE | £15.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £15.00/mth over 12 mths | View More Info |
| O2 Unlimited + 300GB at £16 12 month contract | Unlimited minutes | Unlimited texts | 300.00 GB data | FREE | £16.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £16.00/mth over 12 mths | View More Info |
| O2 Unlimited + 3GB at £16 24 month contract | Unlimited minutes | Unlimited texts | 3.00 GB data | FREE | £16.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £16.00/mth over 24 mths | View More Info |
| O2 Unlimited + 50GB at £20 | Unlimited minutes | Unlimited texts | 50.00 GB data | FREE | £20.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £20.00/mth over 1 mths | View More Info |
| O2 Unlimited + 3GB at £22 | Unlimited minutes | Unlimited texts | 3.00 GB data | FREE | £22.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £22.00/mth over 1 mths | View More Info |
| O2 Unlimited + 10GB at £24 | Unlimited minutes | Unlimited texts | 10.00 GB data | FREE | £24.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £24.00/mth over 1 mths | View More Info |
| O2 Unlimited + 20GB at £26 | Unlimited minutes | Unlimited texts | 20.00 GB data | FREE | £26.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £26.00/mth over 1 mths | View More Info |
| O2 Unlimited + 40GB at £28 | Unlimited minutes | Unlimited texts | 40.00 GB data | FREE | £28.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £28.00/mth over 1 mths | View More Info |
| O2 Unlimited + 100GB at £30 | Unlimited minutes | Unlimited texts | 100.00 GB data | FREE | £30.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £30.00/mth over 1 mths | View More Info |
| O2 Unlimited + 150GB at £30 | Unlimited minutes | Unlimited texts | 150.00 GB data | FREE | £30.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £30.00/mth over 1 mths | View More Info |
| O2 Unlimited + 150GB at £32 | Unlimited minutes | Unlimited texts | 150.00 GB data | FREE | £32.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £32.00/mth over 1 mths | View More Info |
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