O2 Unlimited at £42 Deals
Here are details of the O2 Unlimited at £42 tariff along with all the mobile phones currently available on the tariff. Alongside each phone is information about the cheapest deal and you can get full details by clicking on the 'Buy Now' links which will take you to the relevant retailer's site.
O2 Unlimited at £42 Tariff Details
| Network | Tariff Name | Contract Length | Free Mins | Free Txts | Initial Monthly Cost |
|---|---|---|---|---|---|
 | O2 Unlimited at £42 (24) | 24 Months | Unlimited | Unlimited | £42.00 Monthly price will increase every April by £2.50 |
Mobiles Available on O2 Unlimited at £42
| Phone | Upfront Cost | Monthly Cost | Offer Details | Total Cost | Buy Online |
|---|---|---|---|---|---|
 Samsung Galaxy Z Flip7 FE 256GB White | £9.00 | £42.00 (price may rise during contract) | Samsung Galaxy Z Flip7 FE 256GB White | £1017.00 |   View More Info |
 Apple iPhone 17 256GB Black | £69.00 | £42.00 (price may rise during contract) | Apple iPhone 17 256GB Black | £1077.00 | View More Info |
 Apple iPhone 17 256GB White | £69.00 | £42.00 (price may rise during contract) | Apple iPhone 17 256GB White | £1077.00 | View More Info |
 Apple iPhone 17 256GB Sage | £69.00 | £42.00 (price may rise during contract) | Apple iPhone 17 256GB Sage | £1077.00 | View More Info |
 Apple iPhone 17 256GB Lavender | £69.00 | £42.00 (price may rise during contract) | Apple iPhone 17 256GB Lavender | £1077.00 | View More Info |
 Apple iPhone 17 256GB Mist Blue | £69.00 | £42.00 (price may rise during contract) | Apple iPhone 17 256GB Mist Blue | £1077.00 | View More Info |
 Google Pixel 9 Pro XL 256GB Obsidian | £159.00 | £42.00 (price may rise during contract) | Google Pixel 9 Pro XL 256GB Obsidian | £1167.00 | View More Info |
 Samsung Galaxy S26 Ultra 1TB Black | £689.00 | £42.00 (price may rise during contract) | Samsung Galaxy S26 Ultra 1TB Black | £1697.00 | View More Info |
 Samsung Galaxy S26 Ultra 1TB White | £689.00 | £42.00 (price may rise during contract) | Samsung Galaxy S26 Ultra 1TB White | £1697.00 | View More Info |
 Samsung Galaxy S26 Ultra 1TB Cobalt Violet | £689.00 | £42.00 (price may rise during contract) | Samsung Galaxy S26 Ultra 1TB Cobalt Violet | £1697.00 | View More Info |
 Samsung Galaxy S26 Ultra 1TB Sky Blue | £689.00 | £42.00 (price may rise during contract) | Samsung Galaxy S26 Ultra 1TB Sky Blue | £1697.00 | View More Info |