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Samsung Galaxy S23 Ultra

Samsung Galaxy S23 Ultra

Operating System Android
Camera 200 Megapixels
Display Size 6.8 inches
Capacity 256Gb, 512Gb
View full spec >

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Samsung Galaxy S23 Ultra Deals

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Samsung Galaxy S23 Ultra

Samsung Galaxy S23 Ultra, 256GB Lavender (Refurbished)

£67.00 per month

Total Cost: £844.00

VIEW DEAL
via O2

Monthly Price increases to £69.50 on 1st April 2027

Free EU Roaming Roam freely in the EU, up to 25GB. 3 Months Free Entertainment 3 months of Disney+ Standard, Amazon Prime or more.
125GB data
£30.00 device cost
Unlimited minutes
Unlimited texts
12 month contract
Samsung Galaxy S23 Ultra

Samsung Galaxy S23 Ultra, 256GB Cream (Refurbished)

£67.00 per month

Total Cost: £844.00

VIEW DEAL
via O2

Monthly Price increases to £69.50 on 1st April 2027

Free EU Roaming Roam freely in the EU, up to 25GB. 3 Months Free Entertainment 3 months of Disney+ Standard, Amazon Prime or more.
125GB data
£30.00 device cost
Unlimited minutes
Unlimited texts
12 month contract
Samsung Galaxy S23 Ultra

Samsung Galaxy S23 Ultra, 256GB Phantom Black (Refurbished)

£67.00 per month

Total Cost: £844.00

VIEW DEAL
via O2

Monthly Price increases to £69.50 on 1st April 2027

Free EU Roaming Roam freely in the EU, up to 25GB. 3 Months Free Entertainment 3 months of Disney+ Standard, Amazon Prime or more.
125GB data
£30.00 device cost
Unlimited minutes
Unlimited texts
12 month contract
Samsung Galaxy S23 Ultra

Samsung Galaxy S23 Ultra, 256GB Green (Refurbished)

£67.00 per month

Total Cost: £844.00

VIEW DEAL
via O2

Monthly Price increases to £69.50 on 1st April 2027

Free EU Roaming Roam freely in the EU, up to 25GB. 3 Months Free Entertainment 3 months of Disney+ Standard, Amazon Prime or more.
125GB data
£30.00 device cost
Unlimited minutes
Unlimited texts
12 month contract
Samsung Galaxy S23 Ultra

Samsung Galaxy S23 Ultra, 512GB Phantom Black (Refurbished)

£71.17 per month

Total Cost: £894.04

VIEW DEAL
via O2

Monthly Price increases to £73.67 on 1st April 2027

Free EU Roaming Roam freely in the EU, up to 25GB. 3 Months Free Entertainment 3 months of Disney+ Standard, Amazon Prime or more.
125GB data
£30.00 device cost
Unlimited minutes
Unlimited texts
12 month contract
Samsung Galaxy S23 Ultra

Samsung Galaxy S23 Ultra, 512GB Lavender (Refurbished)

£71.17 per month

Total Cost: £894.04

VIEW DEAL
via O2

Monthly Price increases to £73.67 on 1st April 2027

Free EU Roaming Roam freely in the EU, up to 25GB. 3 Months Free Entertainment 3 months of Disney+ Standard, Amazon Prime or more.
125GB data
£30.00 device cost
Unlimited minutes
Unlimited texts
12 month contract
Samsung Galaxy S23 Ultra

Samsung Galaxy S23 Ultra, 512GB Cream (Refurbished)

£71.17 per month

Total Cost: £894.04

VIEW DEAL
via O2

Monthly Price increases to £73.67 on 1st April 2027

Free EU Roaming Roam freely in the EU, up to 25GB. 3 Months Free Entertainment 3 months of Disney+ Standard, Amazon Prime or more.
125GB data
£30.00 device cost
Unlimited minutes
Unlimited texts
12 month contract
Samsung Galaxy S23 Ultra

Samsung Galaxy S23 Ultra, 512GB Green (Refurbished)

£71.17 per month

Total Cost: £894.04

VIEW DEAL
via O2

Monthly Price increases to £73.67 on 1st April 2027

Free EU Roaming Roam freely in the EU, up to 25GB. 3 Months Free Entertainment 3 months of Disney+ Standard, Amazon Prime or more.
125GB data
£30.00 device cost
Unlimited minutes
Unlimited texts
12 month contract
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We may earn a commission if you click through and purchase via our links. This does not affect how deals are ranked or selected.

Live deal insights

Contract deals — price snapshot

  • Average total cost: £688
  • Lowest total cost: £482
  • £0 upfront options: 0 deals
  • Typical contract length: 1 months
  • Average data allowance: 122GB

Deals are currently available on O2.

O2

Last updated: 18 Jul 2026 from 16 live offers

Samsung Galaxy S23 Ultra Specification

  • Operating System: Android
  • Camera: 200 Megapixels
  • Display Size: 6.8 inches
  • Display Type: Dynamic AMOLED 2X
  • Capacity: 256Gb, 512Gb
  • eSIM Compatible: Yes
  • Weight: 233 grams
  • Resolution: 1440 x 3080
  • Primary Camera: 200 Megapixels
  • Primary Camera Flash: LED flash
  • Secondary Camera: 12 Megapixels
  • Dimensions: 163.4 x 78.1 x 8.9 mm
  • Processor: Octa-core
  • Chipset: Qualcomm SM8550-AC Snapdragon 8 Gen 2
  • SIM Type: Nano-SIM, eSIM
  • Bluetooth: 5.3, A2DP, LE
  • WiFi: 802.11 a/b/g/n/ac/6e
  • Battery: Li-Ion 5000 mAh
  • IP Rating: IP68

Specifications are provided by the manufacturer and may vary by region.

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