 | 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 the Retail Price Index rate of inflation + 3.9%
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 500 + Unlimited + 1GB at £512 month contract | 500 minutes | Unlimited texts | 1.00 GB data | FREE | £5.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £5.00/mth over 12 mths |   View More Info |
| O2 5G 1GB at £7 | none | 100 texts | 1.00 GB data | FREE | £7.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £7.00/mth over 1 mths | View More Info |
| O2 5G 2GB at £8 24 month contract | none | 100 texts | 2.00 GB data | FREE | £8.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £8.00/mth over 24 mths | View More Info |
| O2 5G 2GB at £11 12 month contract | none | 100 texts | 2.00 GB data | FREE | £11.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £11.00/mth over 12 mths | View More Info |
| O2 5G 5GB at £11 24 month contract | none | 100 texts | 5.00 GB data | FREE | £11.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £11.00/mth over 24 mths | View More Info |
| O2 5G 2GB at £13 | none | 100 texts | 2.00 GB data | FREE | £13.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £13.00/mth over 1 mths | View More Info |
| O2 5G 5GB at £14 12 month contract | none | 100 texts | 5.00 GB data | FREE | £14.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £14.00/mth over 12 mths | View More Info |
| O2 Unlimited + 30GB at £14.99 24 month contract | Unlimited minutes | Unlimited texts | 30.00 GB data | FREE | £14.99 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £14.99/mth over 24 mths | View More Info |
| O2 Unlimited + 3GB at £15 24 month contract | Unlimited minutes | Unlimited texts | 3.00 GB data | FREE | £15.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £15.00/mth over 24 mths | View More Info |
| O2 5G 20GB at £15 24 month contract | none | 100 texts | 20.00 GB data | FREE | £15.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £15.00/mth over 24 mths | View More Info |
| O2 5G 5GB at £16 | none | 100 texts | 5.00 GB data | FREE | £16.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £16.00/mth over 1 mths | View More Info |
| O2 Unlimited + 6GB at £17 24 month contract | Unlimited minutes | Unlimited texts | 6.00 GB data | FREE | £17.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £17.00/mth over 24 mths | View More Info |
| O2 Unlimited + 12GB at £17.99 24 month contract | Unlimited minutes | Unlimited texts | 12.00 GB data | FREE | £17.99 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £17.99/mth over 24 mths | View More Info |
| O2 Unlimited + 1GB at £18 12 month contract | Unlimited minutes | Unlimited texts | 1.00 GB data | FREE | £18.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £18.00/mth over 12 mths | View More Info |
| O2 5G 20GB at £18 12 month contract | none | 100 texts | 20.00 GB data | FREE | £18.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £18.00/mth over 12 mths | View More Info |
| O2 Unlimited + 20GB at £19 24 month contract | Unlimited minutes | Unlimited texts | 20.00 GB data | FREE | £19.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £19.00/mth over 24 mths | View More Info |
| O2 Unlimited at £20 24 month contract | Unlimited minutes | Unlimited texts | Unlimited data | FREE | £20.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £20.00/mth over 24 mths | View More Info |
| O2 Unlimited + 6GB at £20 12 month contract | Unlimited minutes | Unlimited texts | 6.00 GB data | FREE | £20.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £20.00/mth over 12 mths | View More Info |
| O2 1000 + Unlimited + 1GB at £20 | 1000 minutes | Unlimited texts | 1.00 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 5G 100GB at £21 12 month contract | none | 100 texts | 100.00 GB data | FREE | £21.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £21.00/mth over 12 mths | View More Info |
| O2 Unlimited + 12GB at £21.99 12 month contract | Unlimited minutes | Unlimited texts | 12.00 GB data | FREE | £21.99 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £21.99/mth over 12 mths | View More Info |
| O2 Unlimited + 20GB at £22 12 month contract | Unlimited minutes | Unlimited texts | 20.00 GB data | FREE | £22.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £22.00/mth over 12 mths | View More Info |
| O2 Unlimited + 100GB at £22 24 month contract | Unlimited minutes | Unlimited texts | 100.00 GB data | FREE | £22.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £22.00/mth over 24 mths | View More Info |
| O2 Unlimited + 5GB at £23 | Unlimited minutes | Unlimited texts | 5.00 GB data | FREE | £23.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £23.00/mth over 1 mths | View More Info |
| O2 5G 20GB at £23 | none | 100 texts | 20.00 GB data | FREE | £23.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £23.00/mth over 1 mths | View More Info |
| O2 Unlimited + 30GB at £23.99 12 month contract | Unlimited minutes | Unlimited texts | 30.00 GB data | FREE | £23.99 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £23.99/mth over 12 mths | View More Info |
| O2 Unlimited + 150GB at £23.99 24 month contract | Unlimited minutes | Unlimited texts | 150.00 GB data | FREE | £23.99 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £23.99/mth over 24 mths | View More Info |
| O2 Unlimited + 50GB at £24 12 month contract | Unlimited minutes | Unlimited texts | 50.00 GB data | FREE | £24.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £24.00/mth over 12 mths | View More Info |
| O2 5G 250GB at £25 24 month contract | none | 100 texts | 250.00 GB data | FREE | £25.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £25.00/mth over 24 mths | View More Info |
| O2 Unlimited + 250GB at £26 24 month contract | Unlimited minutes | Unlimited texts | 250.00 GB data | FREE | £26.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £26.00/mth over 24 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 5G 250GB at £28 12 month contract | none | 100 texts | 250.00 GB data | FREE | £28.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £28.00/mth over 12 mths | View More Info |
| O2 Unlimited + 50GB at £30 | Unlimited minutes | Unlimited texts | 50.00 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 5G 100GB at £30 | none | 100 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 5G Unlimited Data at £30 24 month contract | none | 100 texts | Unlimited data | FREE | £30.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £30.00/mth over 24 mths | View More Info |
| O2 5G Unlimited Data at £32 12 month contract | none | 100 texts | Unlimited data | FREE | £32.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £32.00/mth over 12 mths | View More Info |
| O2 Unlimited + 30GB at £32.49 24 month contract | Unlimited minutes | Unlimited texts | 30.00 GB data | FREE | £32.49 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £32.49/mth over 24 mths | View More Info |
| O2 Unlimited at £32.99 24 month contract | Unlimited minutes | Unlimited texts | Unlimited data | FREE | £32.99 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £32.99/mth over 24 mths | View More Info |
| O2 Unlimited at £33 12 month contract | Unlimited minutes | Unlimited texts | Unlimited data | FREE | £33.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £33.00/mth over 12 mths | View More Info |
| O2 5G Unlimited Data at £35 | none | 100 texts | Unlimited data | FREE | £35.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £35.00/mth over 1 mths | View More Info |
| O2 Unlimited + 150GB at £35.49 24 month contract | Unlimited minutes | Unlimited texts | 150.00 GB data | FREE | £35.49 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £35.49/mth over 24 mths | View More Info |
| O2 Unlimited + 30GB at £35.49 12 month contract | Unlimited minutes | Unlimited texts | 30.00 GB data | FREE | £35.49 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £35.49/mth over 12 mths | View More Info |
| O2 Unlimited at £36 | Unlimited minutes | Unlimited texts | Unlimited data | FREE | £36.00 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £36.00/mth over 1 mths | View More Info |
| O2 Unlimited + 150GB at £38.49 12 month contract | Unlimited minutes | Unlimited texts | 150.00 GB data | FREE | £38.49 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £38.49/mth over 12 mths | View More Info |
| O2 Unlimited at £44.49 24 month contract | Unlimited minutes | Unlimited texts | Unlimited data | FREE | £44.49 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £44.49/mth over 24 mths | View More Info |
| O2 Unlimited at £46.49 12 month contract | Unlimited minutes | Unlimited texts | Unlimited data | FREE | £46.49 (price may rise during contract) | FREE SIM Only SIM Card | Equivalent Cost £46.49/mth over 12 mths | View More Info |
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