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 · Grey, Blue, Silver, Black
Data30GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Refurbished 3 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile
Device plan £17.22/mo for 36 months, airtime £17.00/mo for 24 months
£34.22/mo
£30.00 upfront
£29.39/mo effective · £1,057.92 total
See deal at O2
O2
Samsung Galaxy S25 Ultra
256GB · Pre-owned, Grade A · Silver, Black, Grey, Blue
Data125GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Refurbished 3 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile
Device plan £17.22/mo for 36 months, airtime £22.00/mo for 24 months
£39.22/mo
£30.00 upfront
£32.72/mo effective · £1,177.92 total
See deal at O2
O2
Samsung Galaxy S25 Ultra
256GB · Pre-owned, Grade A · Black, Silver, Grey, Blue
Data5GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Refurbished 3 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile
Device plan £17.22/mo for 36 months, airtime £24.00/mo for 24 months
£41.22/mo
£30.00 upfront
£34.05/mo effective · £1,225.92 total
See deal at O2
Mozillion (EE network)
Samsung Galaxy S25 Ultra
256GB · Refurbished · Titanium Grey, Titanium Black
Data10GB
MinutesUnlimited
TextsUnlimited
Term24 mths
Refurbished
£33.79/mo
£29.00 upfront
£35.00/mo effective · £839.96 total
See deal at Mozillion
Mozillion (EE network)
Samsung Galaxy S25 Ultra
256GB · Refurbished · Titanium Grey, Titanium Black
Data10GB
MinutesUnlimited
TextsUnlimited
Term24 mths
Refurbished
£28.79/mo
£149.00 upfront
£35.00/mo effective · £839.96 total
See deal at Mozillion
Mozillion (EE network)
Samsung Galaxy S25 Ultra
256GB · Refurbished · Titanium Grey, Titanium Black
Data10GB
MinutesUnlimited
TextsUnlimited
Term24 mths
Refurbished
£22.54/mo
£299.00 upfront
£35.00/mo effective · £839.96 total
See deal at Mozillion
Mozillion (EE network)
Samsung Galaxy S25 Ultra
256GB · Refurbished · Titanium Grey, Titanium Black
Data10GB
MinutesUnlimited
TextsUnlimited
Term24 mths
Refurbished
£32.96/mo
£49.00 upfront
£35.00/mo effective · £840.04 total
See deal at Mozillion
Mozillion (EE network)
Samsung Galaxy S25 Ultra
256GB · Refurbished · Titanium Grey, Titanium Black
Data10GB
MinutesUnlimited
TextsUnlimited
Term24 mths
Refurbished
£26.71/mo
£199.00 upfront
£35.00/mo effective · £840.04 total
See deal at Mozillion
Mozillion (EE network)
Samsung Galaxy S25 Ultra
256GB · Refurbished · Titanium Grey, Titanium Black
Data10GB
MinutesUnlimited
TextsUnlimited
Term24 mths
Refurbished
£34.63/mo
£9.00 upfront
£35.01/mo effective · £840.12 total
See deal at Mozillion
Mozillion (EE network)
Samsung Galaxy S25 Ultra
256GB · Refurbished · Titanium Grey, Titanium Black
Data10GB
MinutesUnlimited
TextsUnlimited
Term24 mths
Refurbished
£30.88/mo
£99.00 upfront
£35.01/mo effective · £840.12 total
See deal at Mozillion
Mozillion (EE network)
Samsung Galaxy S25 Ultra
256GB · Refurbished · Titanium Grey, Titanium Black
Data10GB
MinutesUnlimited
TextsUnlimited
Term24 mths
Refurbished
£24.63/mo
£249.00 upfront
£35.01/mo effective · £840.12 total
See deal at Mozillion
Mozillion (EE network)
Samsung Galaxy S25 Ultra
256GB · Refurbished · Titanium Grey, Titanium Black
Data30GB
MinutesUnlimited
TextsUnlimited
Term24 mths
Refurbished
£34.04/mo
£29.00 upfront
£35.25/mo effective · £845.96 total
See deal at Mozillion
Mozillion (EE network)
Samsung Galaxy S25 Ultra
256GB · Refurbished · Titanium Grey, Titanium Black
Data30GB
MinutesUnlimited
TextsUnlimited
Term24 mths
Refurbished
£29.04/mo
£149.00 upfront
£35.25/mo effective · £845.96 total
See deal at Mozillion
Mozillion (EE network)
Samsung Galaxy S25 Ultra
256GB · Refurbished · Titanium Grey, Titanium Black
Data30GB
MinutesUnlimited
TextsUnlimited
Term24 mths
Refurbished
£22.79/mo
£299.00 upfront
£35.25/mo effective · £845.96 total
See deal at Mozillion
Mozillion (EE network)
Samsung Galaxy S25 Ultra
256GB · Refurbished · Titanium Grey, Titanium Black
Data30GB
MinutesUnlimited
TextsUnlimited
Term24 mths
Refurbished
£33.21/mo
£49.00 upfront
£35.25/mo effective · £846.04 total
See deal at Mozillion

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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