Samsung Galaxy S23 Ultra

Name: Samsung Galaxy S23 Ultra
Brand: Samsung
Availability: InStock

Operating System Android

Camera 200 Megapixels

Display Size 6.8 inches

Capacity 256Gb, 512Gb

View full spec >

COMPARE O2 Samsung Galaxy S23 Ultra DEALS

Colour:

Any

Storage:

Any

FILTER DEALS

Cost

Exclude refurbished / nearly new

APPLY FILTERS

Reset Filters

No SIM Free or PAYG deals found for this model

VIEW MORE DEALS

Colour:

Any

Storage:

Any

256GB

512GB

FILTER DEALS

Network

ALL NETWORKS

Tariff

Cost

Exclude refurbished / nearly new

APPLY FILTERS

Reset Filters

Samsung Galaxy S23 Ultra, 512GB Phantom Black

£31.06 per month

Total Cost: £1,320.66

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £33.56 on 1st April 2026 and to £36.06 on 1st April 2027 and to £38.56 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

5GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,320.66

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£31.06
Months 2–13	£33.56
Months 14–25	£36.06
Months 26–36	£38.56

How your £31.06 / month is split

Network plan £9.00

Phone repayments £22.06

Total £31.06

Average monthly cost ?

£36.69

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 512GB Phantom Black

£34.06 per month

Total Cost: £1,428.66

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £36.56 on 1st April 2026 and to £39.06 on 1st April 2027 and to £41.56 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

25GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,428.66

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£34.06
Months 2–13	£36.56
Months 14–25	£39.06
Months 26–36	£41.56

How your £34.06 / month is split

Network plan £12.00

Phone repayments £22.06

Total £34.06

Average monthly cost ?

£39.69

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 256GB Green (Refurbished)

£34.67 per month

Total Cost: £1,450.62

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £37.17 on 1st April 2026 and to £39.67 on 1st April 2027 and to £42.17 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

5GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,450.62

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£34.67
Months 2–13	£37.17
Months 14–25	£39.67
Months 26–36	£42.17

How your £34.67 / month is split

Network plan £23.00

Phone repayments £11.67

Total £34.67

Average monthly cost ?

£40.30

Total cost averaged over 36 months

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

£34.67 per month

Total Cost: £1,450.62

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £37.17 on 1st April 2026 and to £39.67 on 1st April 2027 and to £42.17 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

5GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,450.62

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£34.67
Months 2–13	£37.17
Months 14–25	£39.67
Months 26–36	£42.17

How your £34.67 / month is split

Network plan £23.00

Phone repayments £11.67

Total £34.67

Average monthly cost ?

£40.30

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 256GB Cream (Refurbished)

£34.67 per month

Total Cost: £1,450.62

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £37.17 on 1st April 2026 and to £39.67 on 1st April 2027 and to £42.17 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

5GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,450.62

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£34.67
Months 2–13	£37.17
Months 14–25	£39.67
Months 26–36	£42.17

How your £34.67 / month is split

Network plan £23.00

Phone repayments £11.67

Total £34.67

Average monthly cost ?

£40.30

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 256GB Lavender (Refurbished)

£34.67 per month

Total Cost: £1,450.62

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £37.17 on 1st April 2026 and to £39.67 on 1st April 2027 and to £42.17 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

5GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,450.62

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£34.67
Months 2–13	£37.17
Months 14–25	£39.67
Months 26–36	£42.17

How your £34.67 / month is split

Network plan £23.00

Phone repayments £11.67

Total £34.67

Average monthly cost ?

£40.30

Total cost averaged over 36 months

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

£36.06 per month

Total Cost: £1,500.66

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £38.56 on 1st April 2026 and to £41.06 on 1st April 2027 and to £43.56 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

5GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,500.66

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£36.06
Months 2–13	£38.56
Months 14–25	£41.06
Months 26–36	£43.56

How your £36.06 / month is split

Network plan £23.00

Phone repayments £13.06

Total £36.06

Average monthly cost ?

£41.69

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 512GB Cream (Refurbished)

£36.06 per month

Total Cost: £1,500.66

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £38.56 on 1st April 2026 and to £41.06 on 1st April 2027 and to £43.56 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

5GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,500.66

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£36.06
Months 2–13	£38.56
Months 14–25	£41.06
Months 26–36	£43.56

How your £36.06 / month is split

Network plan £23.00

Phone repayments £13.06

Total £36.06

Average monthly cost ?

£41.69

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 512GB Green (Refurbished)

£36.06 per month

Total Cost: £1,500.66

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £38.56 on 1st April 2026 and to £41.06 on 1st April 2027 and to £43.56 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

5GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,500.66

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£36.06
Months 2–13	£38.56
Months 14–25	£41.06
Months 26–36	£43.56

How your £36.06 / month is split

Network plan £23.00

Phone repayments £13.06

Total £36.06

Average monthly cost ?

£41.69

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 512GB Lavender (Refurbished)

£36.06 per month

Total Cost: £1,500.66

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £38.56 on 1st April 2026 and to £41.06 on 1st April 2027 and to £43.56 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

5GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,500.66

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£36.06
Months 2–13	£38.56
Months 14–25	£41.06
Months 26–36	£43.56

How your £36.06 / month is split

Network plan £23.00

Phone repayments £13.06

Total £36.06

Average monthly cost ?

£41.69

Total cost averaged over 36 months

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

£37.67 per month

Total Cost: £1,558.62

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £40.17 on 1st April 2026 and to £42.67 on 1st April 2027 and to £45.17 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

25GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,558.62

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£37.67
Months 2–13	£40.17
Months 14–25	£42.67
Months 26–36	£45.17

How your £37.67 / month is split

Network plan £26.00

Phone repayments £11.67

Total £37.67

Average monthly cost ?

£43.30

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 256GB Cream (Refurbished)

£37.67 per month

Total Cost: £1,558.62

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £40.17 on 1st April 2026 and to £42.67 on 1st April 2027 and to £45.17 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

25GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,558.62

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£37.67
Months 2–13	£40.17
Months 14–25	£42.67
Months 26–36	£45.17

How your £37.67 / month is split

Network plan £26.00

Phone repayments £11.67

Total £37.67

Average monthly cost ?

£43.30

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 256GB Green (Refurbished)

£37.67 per month

Total Cost: £1,558.62

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £40.17 on 1st April 2026 and to £42.67 on 1st April 2027 and to £45.17 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

25GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,558.62

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£37.67
Months 2–13	£40.17
Months 14–25	£42.67
Months 26–36	£45.17

How your £37.67 / month is split

Network plan £26.00

Phone repayments £11.67

Total £37.67

Average monthly cost ?

£43.30

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 256GB Lavender (Refurbished)

£37.67 per month

Total Cost: £1,558.62

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £40.17 on 1st April 2026 and to £42.67 on 1st April 2027 and to £45.17 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

25GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,558.62

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£37.67
Months 2–13	£40.17
Months 14–25	£42.67
Months 26–36	£45.17

How your £37.67 / month is split

Network plan £26.00

Phone repayments £11.67

Total £37.67

Average monthly cost ?

£43.30

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 512GB Phantom Black

£39.06 per month

Total Cost: £1,608.66

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £41.56 on 1st April 2026 and to £44.06 on 1st April 2027 and to £46.56 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

125GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,608.66

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£39.06
Months 2–13	£41.56
Months 14–25	£44.06
Months 26–36	£46.56

How your £39.06 / month is split

Network plan £17.00

Phone repayments £22.06

Total £39.06

Average monthly cost ?

£44.69

Total cost averaged over 36 months

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

£39.06 per month

Total Cost: £1,608.66

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £41.56 on 1st April 2026 and to £44.06 on 1st April 2027 and to £46.56 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

25GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,608.66

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£39.06
Months 2–13	£41.56
Months 14–25	£44.06
Months 26–36	£46.56

How your £39.06 / month is split

Network plan £26.00

Phone repayments £13.06

Total £39.06

Average monthly cost ?

£44.69

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 512GB Green (Refurbished)

£39.06 per month

Total Cost: £1,608.66

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £41.56 on 1st April 2026 and to £44.06 on 1st April 2027 and to £46.56 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

25GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,608.66

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£39.06
Months 2–13	£41.56
Months 14–25	£44.06
Months 26–36	£46.56

How your £39.06 / month is split

Network plan £26.00

Phone repayments £13.06

Total £39.06

Average monthly cost ?

£44.69

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 512GB Lavender (Refurbished)

£39.06 per month

Total Cost: £1,608.66

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £41.56 on 1st April 2026 and to £44.06 on 1st April 2027 and to £46.56 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

25GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,608.66

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£39.06
Months 2–13	£41.56
Months 14–25	£44.06
Months 26–36	£46.56

How your £39.06 / month is split

Network plan £26.00

Phone repayments £13.06

Total £39.06

Average monthly cost ?

£44.69

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 512GB Cream (Refurbished)

£39.06 per month

Total Cost: £1,608.66

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £41.56 on 1st April 2026 and to £44.06 on 1st April 2027 and to £46.56 on 1st April 2028

Free EU Roaming 3 Months Free Entertainment

25GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

36 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,608.66

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£39.06
Months 2–13	£41.56
Months 14–25	£44.06
Months 26–36	£46.56

How your £39.06 / month is split

Network plan £26.00

Phone repayments £13.06

Total £39.06

Average monthly cost ?

£44.69

Total cost averaged over 36 months

Samsung Galaxy S23 Ultra, 256GB Cream (Refurbished)

£40.50 per month

Total Cost: £1,087.00

Cost breakdown

VIEW DEAL

via O2

Monthly Price increases to £43.00 on 1st April 2026 and to £45.50 on 1st April 2027

Free EU Roaming 3 Months Free Entertainment

5GB data

£30.00 device cost

Unlimited minutes

Unlimited texts

24 month contract

Cost breakdown

Upfront today £30.00

Total over contract £1,087.00

Payment schedule

Monthly price may change during the contract as shown above.

Period	Price
Month 1	£40.50
Months 2–13	£43.00
Months 14–24	£45.50

How your £40.50 / month is split

Network plan £23.00

Phone repayments £17.50

Total £40.50

Average monthly cost ?

£45.29

Total cost averaged over 24 months

VIEW MORE DEALS

Live deal insights

O2 contract deals — price snapshot

Average total cost: £1,200
Lowest total cost: £473
£0 upfront options: 0 deals
Typical contract length: 1 months
Average monthly (24-month): £59
Average data allowance: 68GB

Other networks for this model: Three.

Three

Last updated: 20 Feb 2026 from 288 live offers