Phones / Samsung / Galaxy S23+

Samsung Galaxy S23+
Cheapest right now: £35.11/mo on O2 from O2 with £30.00 upfront.

Buy outright from £429.99 (O2)

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Samsung Galaxy S23+

1 retailer · 1 network · 256GB / 512GB

At a glance. The Samsung Galaxy S23+ 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 £35.11 a month with £30.00 upfront over 36 months on O2, which works out at about £27.94 a month all in. If you would rather buy it outright, the lowest SIM-free price we track is £429.99 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: 6.6" dynamic amoled 2x, a Qualcomm SM8550 Snapdragon 8 Gen 2 (4 nm) chip, IP68 water resistance.

Key specs

Screen6.6"
DisplayDynamic AMOLED 2X
Resolution1080 x 2340
ChipsetQualcomm SM8550 Snapdragon 8 Gen 2 (4 nm)
Front camera12 Megapixels
Water resistanceIP68 - Dust and water resistant over 1.5 meter and 30 minutes
Weight195g
Dimensions157.8 x 76.2 x 7.6 mm

Every contract for the Galaxy S23+, 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 S23+
256GB · Purple, Green, Black
Data5GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 3 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £11.11/mo for 36 months, airtime £24.00/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £11.11×36£399.96
Airtime £24.00×24£576
True cost£1,005.96
£27.94/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S23+
512GB · Purple, Green, White
Data5GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 3 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £11.67/mo for 36 months, airtime £24.00/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £11.67×36£420.12
Airtime £24.00×24£576
True cost£1,026.12
£28.50/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S23+
256GB · Black, Green, Purple
Data30GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 3 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £11.11/mo for 36 months, airtime £27.00/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £11.11×36£399.96
Airtime £27.00×24£648
True cost£1,077.96
£29.94/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S23+
512GB · White, Green, Purple
Data30GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 3 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £11.67/mo for 36 months, airtime £27.00/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £11.67×36£420.12
Airtime £27.00×24£648
True cost£1,098.12
£30.50/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S23+
256GB · Green, Purple, Black
Data125GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 3 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £11.11/mo for 36 months, airtime £32.00/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £11.11×36£399.96
Airtime £32.00×24£768
True cost£1,197.96
£33.28/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S23+
512GB · Green, Purple, White
Data125GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 3 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £11.67/mo for 36 months, airtime £32.00/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £11.67×36£420.12
Airtime £32.00×24£768
True cost£1,218.12
£33.84/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S23+
256GB · Purple, Black, Green
Data5GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 6 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £11.11/mo for 36 months, airtime £32.99/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £11.11×36£399.96
Airtime £32.99×24£791.76
True cost£1,221.72
£33.94/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S23+
512GB · Green, White, Purple
Data5GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 6 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £11.67/mo for 36 months, airtime £32.99/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £11.67×36£420.12
Airtime £32.99×24£791.76
True cost£1,241.88
£34.50/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S23+
256GB · Purple, Black, Green
Data30GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 6 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £11.11/mo for 36 months, airtime £35.99/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £11.11×36£399.96
Airtime £35.99×24£863.76
True cost£1,293.72
£35.94/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S23+
512GB · Purple, Green, White
Data30GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 6 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £11.67/mo for 36 months, airtime £35.99/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £11.67×36£420.12
Airtime £35.99×24£863.76
True cost£1,313.88
£36.50/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S23+
256GB · Black, Purple, 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 £11.11/mo for 36 months, airtime £37.00/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £11.11×36£399.96
Airtime £37.00×24£888
True cost£1,317.96
£36.61/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S23+
512GB · White, Purple, 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 £11.67/mo for 36 months, airtime £37.00/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £11.67×36£420.12
Airtime £37.00×24£888
True cost£1,338.12
£37.17/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S23+
256GB · Black, Green, Purple
Data125GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 6 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £11.11/mo for 36 months, airtime £40.99/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £11.11×36£399.96
Airtime £40.99×24£983.76
True cost£1,413.72
£39.27/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S23+
512GB · Green, White, Purple
Data125GB
MinutesUnlimited
TextsUnlimited
Term36 mths
5G Pre-owned, Grade A 6 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile

Device plan £11.67/mo for 36 months, airtime £40.99/mo for 24 months

The whole bill36 months
Upfront£30.00
Device £11.67×36£420.12
Airtime £40.99×24£983.76
True cost£1,433.88
£39.83/mo real
Headline is honest See deal at O2
O2O2
Samsung Galaxy S23+
256GB · Purple, Green, Black
Data5GB
MinutesUnlimited
TextsUnlimited
Term24 mths
5G Pre-owned, Grade A 3 months Free Disney+ O2 Priority Unlocked Phones Charge to mobile
The whole bill24 months
Upfront£30.00
Device £16.67×24£400.08
Airtime £24.00×24£576
True cost£1,006.08
£41.92/mo real
Upfront adds £1.25/mo See deal at O2

Buy the Galaxy S23+ 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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