Phones / Samsung / Galaxy S25 Ultra

Samsung Galaxy S25 Ultra
Cheapest right now: £34.22/mo on O2 from O2 with £30.00 upfront.

Buy outright from £593 (Mozillion)

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Samsung Galaxy S25 Ultra

3 retailers · 3 networks · 256GB / 512GB / 1TB

Key specs

Screen6.8"
DisplayDynamic LTPO AMOLED 2X
Resolution1440 x 3120
ChipsetQualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
Front camera12 Megapixels
Water resistanceIP68 - Dust and water resistant over 1.5 meter and 30 minutes
Weight219g
Dimensions162.8 x 77.6 x 8.2 mm

Contract deals for the Galaxy S25 Ultra

Sort by Effective monthly Monthly price Upfront cost Total cost Most data

242 deals match.

O2
Samsung Galaxy S25 Ultra
256GB · Pre-owned, Grade A · Blue, Black, Grey, Silver
Data125GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Refurbished 6 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile
Device plan £17.22/mo for 36 months, airtime £30.99/mo for 24 months
£48.21/mo
£30.00 upfront
£38.71/mo effective · £1,393.68 total
See deal at O2
O2
Samsung Galaxy S25 Ultra
1024GB · Pre-owned, Grade A · Grey, Silver
Data30GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Refurbished 3 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile
Device plan £20.00/mo for 36 months, airtime £27.00/mo for 24 months
£47.00/mo
£30.00 upfront
£38.83/mo effective · £1,398 total
See deal at O2
O2
Samsung Galaxy S25 Ultra
256GB · Pre-owned, Grade A · Blue, Silver, Grey, Black
Data5GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Refurbished 6 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile
Device plan £17.22/mo for 36 months, airtime £32.99/mo for 24 months
£50.21/mo
£30.00 upfront
£40.05/mo effective · £1,441.68 total
See deal at O2
O2
Samsung Galaxy S25 Ultra
512GB · Pre-owned, Grade A · Blue, Black, Grey, Silver
Data30GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Refurbished 3 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile
Device plan £21.39/mo for 36 months, airtime £27.00/mo for 24 months
£48.39/mo
£30.00 upfront
£40.22/mo effective · £1,448.04 total
See deal at O2

Buy the Galaxy S25 Ultra outright

Pair it with a SIM-only plan — usually the cheapest way to own a phone over two years.

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