 | Samsung Galaxy S25 Plus 256GB Navy Mobile PhoneHere are the cheapest Samsung Galaxy S25 Plus 256GB Navy mobile phone deals available to you today. These have been collected together by comparing offers at leading mobile retailers and are checked and updated every day to ensure they are in stock. 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 - Three : Monthly price will increase every April by £1-£2
Best Samsung Galaxy S25 Plus 256GB Navy Deals
| Tariff | Free Mins | Free Txts | Data | Upfront Cost | Initial Monthly Cost | Offer Details | Total Cost | Buy Online |
|---|---|---|---|---|---|---|---|---|
 O2 5GB £24.00(1) | Unlimited minutes | Unlimited texts | 5.00 GB data | £689.99 | £24.00 | Samsung Galaxy S25 Plus 256GB Navy | £713.99 |   View More Info |
| O2 30GB £27.00(1) | Unlimited minutes | Unlimited texts | 30.00 GB data | £689.99 | £27.00 | Samsung Galaxy S25 Plus 256GB Navy | £716.99 | View More Info |
| O2 125GB £32.00(1) | Unlimited minutes | Unlimited texts | 125.00 GB data | £689.99 | £32.00 | Samsung Galaxy S25 Plus 256GB Navy | £721.99 | View More Info |
| O2 5GB £32.99(1) | Unlimited minutes | Unlimited texts | 5.00 GB data | £689.99 | £32.99 | Samsung Galaxy S25 Plus 256GB Navy | £722.98 | View More Info |
| O2 30GB £35.99(1) | Unlimited minutes | Unlimited texts | 30.00 GB data | £689.99 | £35.99 | Samsung Galaxy S25 Plus 256GB Navy | £725.98 | View More Info |
| O2 Unlimited £37.00(1) | Unlimited minutes | Unlimited texts | Unlimited data | £689.99 | £37.00 | Samsung Galaxy S25 Plus 256GB Navy | £726.99 | View More Info |
| O2 125GB £40.99(1) | Unlimited minutes | Unlimited texts | 125.00 GB data | £689.99 | £40.99 | Samsung Galaxy S25 Plus 256GB Navy | £730.98 | View More Info |
| O2 Unlimited £45.99(1) | Unlimited minutes | Unlimited texts | Unlimited data | £689.99 | £45.99 | Samsung Galaxy S25 Plus 256GB Navy | £735.98 | View More Info |
| O2 5GB £24.00(12) £55.00(12) 12 month contract | Unlimited minutes | Unlimited texts | 5.00 GB data | £30.00 | £79.00 Airtime: £24.00 (12) Device: £55.00 (12) £81.50 from Apr-26 | Samsung Galaxy S25 Plus 256GB Navy | £1008.00 | View More Info |
| O2 30GB £27.00(12) £55.00(12) 12 month contract | Unlimited minutes | Unlimited texts | 30.00 GB data | £30.00 | £82.00 Airtime: £27.00 (12) Device: £55.00 (12) £84.50 from Apr-26 | Samsung Galaxy S25 Plus 256GB Navy | £1044.00 | View More Info |
| O2 125GB £32.00(12) £55.00(12) 12 month contract | Unlimited minutes | Unlimited texts | 125.00 GB data | £30.00 | £87.00 Airtime: £32.00 (12) Device: £55.00 (12) £89.50 from Apr-26 | Samsung Galaxy S25 Plus 256GB Navy | £1104.00 | View More Info |
| O2 5GB £32.99(12) £55.00(12) 12 month contract | Unlimited minutes | Unlimited texts | 5.00 GB data | £30.00 | £87.99 Airtime: £32.99 (12) Device: £55.00 (12) £90.49 from Apr-26 | Samsung Galaxy S25 Plus 256GB Navy | £1115.88 | View More Info |
| O2 30GB £35.99(12) £55.00(12) 12 month contract | Unlimited minutes | Unlimited texts | 30.00 GB data | £30.00 | £90.99 Airtime: £35.99 (12) Device: £55.00 (12) £93.49 from Apr-26 | Samsung Galaxy S25 Plus 256GB Navy | £1151.88 | View More Info |
| O2 Unlimited £37.00(12) £55.00(12) 12 month contract | Unlimited minutes | Unlimited texts | Unlimited data | £30.00 | £92.00 Airtime: £37.00 (12) Device: £55.00 (12) £94.50 from Apr-26 | Samsung Galaxy S25 Plus 256GB Navy | £1164.00 | View More Info |
| O2 125GB £40.99(12) £55.00(12) 12 month contract | Unlimited minutes | Unlimited texts | 125.00 GB data | £30.00 | £95.99 Airtime: £40.99 (12) Device: £55.00 (12) £98.49 from Apr-26 | Samsung Galaxy S25 Plus 256GB Navy | £1211.88 | View More Info |
| O2 Unlimited £45.99(12) £55.00(12) 12 month contract | Unlimited minutes | Unlimited texts | Unlimited data | £30.00 | £100.99 Airtime: £45.99 (12) Device: £55.00 (12) £103.49 from Apr-26 | Samsung Galaxy S25 Plus 256GB Navy | £1271.88 | View More Info |
| O2 5GB £24.00(24) £18.33(36) 36 month contract | Unlimited minutes | Unlimited texts | 5.00 GB data | £30.00 | £42.33 Airtime: £24.00 (24) Device: £18.33 (36) £44.83 from Apr-26 £47.33 from Apr-27 £49.83 from Apr-28 | Samsung Galaxy S25 Plus 256GB Navy | £1355.88 | View More Info |
| O2 5GB £24.00(24) £27.50(24) 24 month contract | Unlimited minutes | Unlimited texts | 5.00 GB data | £30.00 | £51.50 Airtime: £24.00 (24) Device: £27.50 (24) £54.00 from Apr-26 £56.50 from Apr-27 | Samsung Galaxy S25 Plus 256GB Navy | £1356.00 | View More Info |
| O2 30GB £27.00(24) £18.33(36) 36 month contract | Unlimited minutes | Unlimited texts | 30.00 GB data | £30.00 | £45.33 Airtime: £27.00 (24) Device: £18.33 (36) £47.83 from Apr-26 £50.33 from Apr-27 £52.83 from Apr-28 | Samsung Galaxy S25 Plus 256GB Navy | £1427.88 | View More Info |
| O2 30GB £27.00(24) £27.50(24) 24 month contract | Unlimited minutes | Unlimited texts | 30.00 GB data | £30.00 | £54.50 Airtime: £27.00 (24) Device: £27.50 (24) £57.00 from Apr-26 £59.50 from Apr-27 | Samsung Galaxy S25 Plus 256GB Navy | £1428.00 | View More Info |
 Three Offer Lite 150GB at £39.5036 month contract | Unlimited minutes | Unlimited texts | 150.00 GB data | £40.00 | £39.50 £41.80 from Apr-27 £44.10 from Apr-28 | Samsung Galaxy S25 Plus 256GB Navy | £1462.00 |  View More Info |
| O2 125GB £32.00(24) £18.33(36) 36 month contract | Unlimited minutes | Unlimited texts | 125.00 GB data | £30.00 | £50.33 Airtime: £32.00 (24) Device: £18.33 (36) £52.83 from Apr-26 £55.33 from Apr-27 £57.83 from Apr-28 | Samsung Galaxy S25 Plus 256GB Navy | £1547.88 | View More Info |
| O2 125GB £32.00(24) £27.50(24) 24 month contract | Unlimited minutes | Unlimited texts | 125.00 GB data | £30.00 | £59.50 Airtime: £32.00 (24) Device: £27.50 (24) £62.00 from Apr-26 £64.50 from Apr-27 | Samsung Galaxy S25 Plus 256GB Navy | £1548.00 | View More Info |
| O2 5GB £32.99(24) £18.33(36) 36 month contract | Unlimited minutes | Unlimited texts | 5.00 GB data | £30.00 | £51.32 Airtime: £32.99 (24) Device: £18.33 (36) £53.82 from Apr-26 £56.32 from Apr-27 £58.82 from Apr-28 | Samsung Galaxy S25 Plus 256GB Navy | £1571.64 | View More Info |
| O2 5GB £32.99(24) £27.50(24) 24 month contract | Unlimited minutes | Unlimited texts | 5.00 GB data | £30.00 | £60.49 Airtime: £32.99 (24) Device: £27.50 (24) £62.99 from Apr-26 £65.49 from Apr-27 | Samsung Galaxy S25 Plus 256GB Navy | £1571.76 | View More Info |
| O2 30GB £35.99(24) £18.33(36) 36 month contract | Unlimited minutes | Unlimited texts | 30.00 GB data | £30.00 | £54.32 Airtime: £35.99 (24) Device: £18.33 (36) £56.82 from Apr-26 £59.32 from Apr-27 £61.82 from Apr-28 | Samsung Galaxy S25 Plus 256GB Navy | £1643.64 | View More Info |
| O2 30GB £35.99(24) £27.50(24) 24 month contract | Unlimited minutes | Unlimited texts | 30.00 GB data | £30.00 | £63.49 Airtime: £35.99 (24) Device: £27.50 (24) £65.99 from Apr-26 £68.49 from Apr-27 | Samsung Galaxy S25 Plus 256GB Navy | £1643.76 | View More Info |
| O2 Unlimited £37.00(24) £18.33(36) 36 month contract | Unlimited minutes | Unlimited texts | Unlimited data | £30.00 | £55.33 Airtime: £37.00 (24) Device: £18.33 (36) £57.83 from Apr-26 £60.33 from Apr-27 £62.83 from Apr-28 | Samsung Galaxy S25 Plus 256GB Navy | £1667.88 | View More Info |
| O2 Unlimited £37.00(24) £27.50(24) 24 month contract | Unlimited minutes | Unlimited texts | Unlimited data | £30.00 | £64.50 Airtime: £37.00 (24) Device: £27.50 (24) £67.00 from Apr-26 £69.50 from Apr-27 | Samsung Galaxy S25 Plus 256GB Navy | £1668.00 | View More Info |
| Three Offer Lite 150GB at £46 36 month contract | Unlimited minutes | Unlimited texts | 150.00 GB data | £40.00 | £46.00 £48.30 from Apr-27 £50.60 from Apr-28 | Samsung Galaxy S25 Plus 256GB Navy FREE Galaxy Buds3 Pro, Case and Charger | £1696.00 | View More Info |
| O2 125GB £40.99(24) £18.33(36) 36 month contract | Unlimited minutes | Unlimited texts | 125.00 GB data | £30.00 | £59.32 Airtime: £40.99 (24) Device: £18.33 (36) £61.82 from Apr-26 £64.32 from Apr-27 £66.82 from Apr-28 | Samsung Galaxy S25 Plus 256GB Navy | £1763.64 | View More Info |
| O2 125GB £40.99(24) £27.50(24) 24 month contract | Unlimited minutes | Unlimited texts | 125.00 GB data | £30.00 | £68.49 Airtime: £40.99 (24) Device: £27.50 (24) £70.99 from Apr-26 £73.49 from Apr-27 | Samsung Galaxy S25 Plus 256GB Navy | £1763.76 | View More Info |
| O2 Unlimited £45.99(24) £18.33(36) 36 month contract | Unlimited minutes | Unlimited texts | Unlimited data | £30.00 | £64.32 Airtime: £45.99 (24) Device: £18.33 (36) £66.82 from Apr-26 £69.32 from Apr-27 £71.82 from Apr-28 | Samsung Galaxy S25 Plus 256GB Navy | £1883.64 | View More Info |
| O2 Unlimited £45.99(24) £27.50(24) 24 month contract | Unlimited minutes | Unlimited texts | Unlimited data | £30.00 | £73.49 Airtime: £45.99 (24) Device: £27.50 (24) £75.99 from Apr-26 £78.49 from Apr-27 | Samsung Galaxy S25 Plus 256GB Navy | £1883.76 | View More Info |
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