Phones / Samsung / Galaxy S25+

Samsung Galaxy S25+
Cheapest right now: £39.28/mo on O2 from O2 with £30.00 upfront.

Buy outright from £579.99 (O2)

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Samsung Galaxy S25+

1 retailer · 1 network · 256GB / 512GB

At a glance. The Samsung Galaxy S25+ is currently sold on contract by O2, on O2. It is available in 2 storage sizes (256GB, 512GB); larger sizes add to the price, so pick the smallest you can live with. The cheapest deal by effective monthly cost is £39.28 a month with £30.00 upfront over 36 months on O2, which works out at about £32.11 a month all in. If you would rather buy it outright, the lowest SIM-free price we track is £579.99 from O2 — worth comparing against the contracts above, paired with a SIM-only plan. 48 of the deals are for refurbished handsets, which are usually noticeably cheaper; use the condition filter to compare new and refurbished separately. Key specs: 6.7" dynamic ltpo amoled 2x, a Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) chip, IP68 water resistance.

Key specs

Screen6.7"
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
Weight190g
Dimensions158.44 x 75.79 x 7.35 mm

Every contract for the Galaxy S25+, ranked by true cost

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

48 deals match. Prices last checked 29 October 2026.

O2O2
Samsung Galaxy S25+
256GB · Blue, Green, Silver
Data5GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 3 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £15.28/mo for 36 months, airtime £24.00/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £15.28×36£550.08
Airtime £24.00×24£576
True cost£1,156.08
£32.11/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S25+
512GB · Silver, Blue, Green
Data5GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 3 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £15.83/mo for 36 months, airtime £24.00/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £15.83×36£569.88
Airtime £24.00×24£576
True cost£1,175.88
£32.66/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S25+
256GB · Blue, Silver, Green
Data30GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 3 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £15.28/mo for 36 months, airtime £27.00/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £15.28×36£550.08
Airtime £27.00×24£648
True cost£1,228.08
£34.11/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S25+
512GB · Green, Blue, Silver
Data30GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 3 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £15.83/mo for 36 months, airtime £27.00/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £15.83×36£569.88
Airtime £27.00×24£648
True cost£1,247.88
£34.66/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S25+
256GB · Green, Blue, Silver
Data125GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 3 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £15.28/mo for 36 months, airtime £32.00/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £15.28×36£550.08
Airtime £32.00×24£768
True cost£1,348.08
£37.45/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S25+
512GB · Blue, Silver, Green
Data125GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 3 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £15.83/mo for 36 months, airtime £32.00/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £15.83×36£569.88
Airtime £32.00×24£768
True cost£1,367.88
£38.00/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S25+
256GB · Blue, Silver, Green
Data5GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 6 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £15.28/mo for 36 months, airtime £32.99/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £15.28×36£550.08
Airtime £32.99×24£791.76
True cost£1,371.84
£38.11/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S25+
512GB · Green, Silver, Blue
Data5GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 6 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £15.83/mo for 36 months, airtime £32.99/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £15.83×36£569.88
Airtime £32.99×24£791.76
True cost£1,391.64
£38.66/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S25+
256GB · Silver, Blue, Green
Data30GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 6 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £15.28/mo for 36 months, airtime £35.99/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £15.28×36£550.08
Airtime £35.99×24£863.76
True cost£1,443.84
£40.11/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S25+
512GB · Blue, Silver, Green
Data30GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 6 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £15.83/mo for 36 months, airtime £35.99/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £15.83×36£569.88
Airtime £35.99×24£863.76
True cost£1,463.64
£40.66/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S25+
256GB · Silver, Blue, Green
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term36 mths
Unlimited data 5G Pre-owned, Grade A 3 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £15.28/mo for 36 months, airtime £37.00/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £15.28×36£550.08
Airtime £37.00×24£888
True cost£1,468.08
£40.78/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S25+
512GB · Green, Blue, Silver
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term36 mths
Unlimited data 5G Pre-owned, Grade A 3 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £15.83/mo for 36 months, airtime £37.00/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £15.83×36£569.88
Airtime £37.00×24£888
True cost£1,487.88
£41.33/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S25+
256GB · Blue, Green, Silver
Data125GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 6 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £15.28/mo for 36 months, airtime £40.99/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £15.28×36£550.08
Airtime £40.99×24£983.76
True cost£1,563.84
£43.44/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S25+
512GB · Silver, Blue, Green
Data125GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 6 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £15.83/mo for 36 months, airtime £40.99/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £15.83×36£569.88
Airtime £40.99×24£983.76
True cost£1,583.64
£43.99/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S25+
256GB · Blue, Silver, Green
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term36 mths
Unlimited data 5G Pre-owned, Grade A 6 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £15.28/mo for 36 months, airtime £45.99/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £15.28×36£550.08
Airtime £45.99×24£1,103.76
True cost£1,683.84
£46.77/mo real
Headline is honest See deal at O2

Buy the Galaxy S25+ outright

Pair it with a SIM-only plan. Whether that beats a contract depends on the phone — see the verdict above.

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