O2 Unlimited at £40 Deals
Here are details of the O2 Unlimited at £40 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 £40 Tariff Details
| Network | Tariff Name | Contract Length | Free Mins | Free Txts | Initial Monthly Cost |
|---|---|---|---|---|---|
![]() | O2 Unlimited at £40 (24) | 24 Months | Unlimited | Unlimited | £40.00 Monthly price will increase every April by £2.50 |
Mobiles Available on O2 Unlimited at £40
| Phone | Upfront Cost | Offer Details | Total Cost | Buy Online |
|---|---|---|---|---|
Samsung Galaxy Z Flip7 FE 256GB Black | £29.00 | Samsung Galaxy Z Flip7 FE 256GB Black | equivalent to £41.21/mth over 24 mths | ![]() View More Info |
Samsung Galaxy Z Flip7 FE 256GB White | £29.00 | Samsung Galaxy Z Flip7 FE 256GB White | equivalent to £41.21/mth over 24 mths | ![]() View More Info |
Samsung Galaxy S25 256GB Navy | £29.00 | Samsung Galaxy S25 256GB Navy | equivalent to £41.21/mth over 24 mths | ![]() View More Info |
Samsung Galaxy S25 256GB Icyblue | £29.00 | Samsung Galaxy S25 256GB Icyblue | equivalent to £41.21/mth over 24 mths | ![]() View More Info |
Samsung Galaxy S25 256GB Silver Shadow | £29.00 | Samsung Galaxy S25 256GB Silver Shadow | equivalent to £41.21/mth over 24 mths | ![]() View More Info |
Samsung Galaxy S25 256GB Mint | £29.00 | Samsung Galaxy S25 256GB Mint | equivalent to £41.21/mth over 24 mths | ![]() View More Info |
Samsung Galaxy S25 256GB Blueblack | £29.00 | Samsung Galaxy S25 256GB Blueblack | equivalent to £41.21/mth over 24 mths | ![]() View More Info |
Apple iPhone 17 256GB Black | £79.00 | Apple iPhone 17 256GB Black | equivalent to £43.29/mth over 24 mths | ![]() View More Info |
Apple iPhone 17 256GB White | £79.00 | Apple iPhone 17 256GB White | equivalent to £43.29/mth over 24 mths | ![]() View More Info |
Apple iPhone 17 256GB Sage | £79.00 | Apple iPhone 17 256GB Sage | equivalent to £43.29/mth over 24 mths | ![]() View More Info |
Apple iPhone 17 256GB Lavender | £79.00 | Apple iPhone 17 256GB Lavender | equivalent to £43.29/mth over 24 mths | ![]() View More Info |
Apple iPhone 17 256GB Mist Blue | £79.00 | Apple iPhone 17 256GB Mist Blue | equivalent to £43.29/mth over 24 mths | ![]() View More Info |
Samsung Galaxy S25 FE 512GB Jetblack | £109.00 | Samsung Galaxy S25 FE 512GB Jetblack | equivalent to £44.54/mth over 24 mths | ![]() View More Info |
Samsung Galaxy S25 FE 512GB Icyblue | £109.00 | Samsung Galaxy S25 FE 512GB Icyblue | equivalent to £44.54/mth over 24 mths | ![]() View More Info |
Samsung Galaxy S25 FE 512GB Navy | £109.00 | Samsung Galaxy S25 FE 512GB Navy | equivalent to £44.54/mth over 24 mths | ![]() View More Info |
Samsung Galaxy S25 FE 512GB White | £109.00 | Samsung Galaxy S25 FE 512GB White | equivalent to £44.54/mth over 24 mths | ![]() View More Info |
Samsung Galaxy S25 Ultra 256GB Titanium Grey | £129.00 | Samsung Galaxy S25 Ultra 256GB Titanium Grey | equivalent to £45.38/mth over 24 mths | ![]() View More Info |
Samsung Galaxy S25 Ultra 256GB Titanium Black | £129.00 | Samsung Galaxy S25 Ultra 256GB Titanium Black | equivalent to £45.38/mth over 24 mths | ![]() View More Info |
Samsung Galaxy S25 Ultra 256GB Titanium Whitesilver | £129.00 | Samsung Galaxy S25 Ultra 256GB Titanium Whitesilver | equivalent to £45.38/mth over 24 mths | ![]() View More Info |
Samsung Galaxy S25 Ultra 256GB Titanium Jadegreen | £129.00 | Samsung Galaxy S25 Ultra 256GB Titanium Jadegreen | equivalent to £45.38/mth over 24 mths | ![]() View More Info |
Samsung Galaxy S25 Ultra 256GB Titanium Jetblack | £129.00 | Samsung Galaxy S25 Ultra 256GB Titanium Jetblack | equivalent to £45.38/mth over 24 mths | ![]() View More Info |
Samsung Galaxy S25 Ultra 256GB Titanium Pinkgold | £129.00 | Samsung Galaxy S25 Ultra 256GB Titanium Pinkgold | equivalent to £45.38/mth over 24 mths | ![]() View More Info |
Samsung Galaxy S25 Ultra 256GB Titanium Silverblue | £129.00 | Samsung Galaxy S25 Ultra 256GB Titanium Silverblue | equivalent to £45.38/mth over 24 mths | ![]() View More Info |
Samsung Galaxy Z Fold7 256GB Silver Shadow | £629.00 | Samsung Galaxy Z Fold7 256GB Silver Shadow | equivalent to £66.21/mth over 24 mths | ![]() View More Info |
Samsung Galaxy Z Fold7 256GB Mint | £629.00 | Samsung Galaxy Z Fold7 256GB Mint | equivalent to £66.21/mth over 24 mths | ![]() View More Info |
Samsung Galaxy Z Fold7 256GB Blue Shadow | £629.00 | Samsung Galaxy Z Fold7 256GB Blue Shadow | equivalent to £66.21/mth over 24 mths | ![]() View More Info |
Samsung Galaxy Z Fold7 256GB Jetblack | £629.00 | Samsung Galaxy Z Fold7 256GB Jetblack | equivalent to £66.21/mth over 24 mths | ![]() View More Info |


Samsung Galaxy Z Flip7 FE 256GB Black
View More Info
Samsung Galaxy Z Flip7 FE 256GB White
Samsung Galaxy S25 256GB Navy
Samsung Galaxy S25 256GB Icyblue
Samsung Galaxy S25 256GB Silver Shadow
Samsung Galaxy S25 256GB Mint
Samsung Galaxy S25 256GB Blueblack
Apple iPhone 17 256GB Black
Apple iPhone 17 256GB White
Apple iPhone 17 256GB Sage
Apple iPhone 17 256GB Lavender
Apple iPhone 17 256GB Mist Blue
Samsung Galaxy S25 FE 512GB Jetblack
Samsung Galaxy S25 FE 512GB Icyblue
Samsung Galaxy S25 FE 512GB Navy
Samsung Galaxy S25 FE 512GB White
Samsung Galaxy S25 Ultra 256GB Titanium Grey
Samsung Galaxy S25 Ultra 256GB Titanium Black
Samsung Galaxy S25 Ultra 256GB Titanium Whitesilver
Samsung Galaxy S25 Ultra 256GB Titanium Jadegreen
Samsung Galaxy S25 Ultra 256GB Titanium Jetblack
Samsung Galaxy S25 Ultra 256GB Titanium Pinkgold
Samsung Galaxy S25 Ultra 256GB Titanium Silverblue
Samsung Galaxy Z Fold7 256GB Silver Shadow
Samsung Galaxy Z Fold7 256GB Mint
Samsung Galaxy Z Fold7 256GB Blue Shadow
Samsung Galaxy Z Fold7 256GB Jetblack