7 Best Used Samsung Galaxy S23 Ultra Unlocked Cell Phones [UK] (2025)

2025 Expert Picks

Last Updated: July 2025

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Last Updated: July 2025

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Best Used Samsung Galaxy S23 Ultra Unlocked Cell Phones

Premium Pick

Samsung Galaxy S25 Ultra AI Smartphone, Galaxy AI, 12GB Memory, 512GB Storage, 200MP Camera, S Pen Included, Titanium Black, 3 Year Manufacturer Extended Warranty (UK Version)

Samsung

Available in 4 Colors, 3 Sizes, 2 Styles

9.7

Samsung Galaxy S25 Ultra AI Smartphone, Galaxy AI, 12GB Memory, 512GB Storage, 200MP Camera, S Pen Included, Titanium Black, 3 Year Manufacturer Extended Warranty (UK Version)

Color: Titanium Black

Dimensions: 0.32 x 6.41 x 3.06 inches

Weight: 0.48 Pounds

Release Date: 31/01/2025

Size: 512GB

Unit Count: 1

Save 11%

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Picked by 397 people today

Samsung Galaxy S23 Ultra 5G SM-S918B/DS 512GB 12GB RAM, 200 MP Camera, Factory Unlocked, Global Version – Phantom Black

Samsung

9.5

Samsung Galaxy S23 Ultra 5G SM-S918B/DS 512GB 12GB RAM, 200 MP Camera, Factory Unlocked, Global Version – Phantom Black

Color: Black

Dimensions: 0.40 x 6.80 x 3.00 inches

Samsung

9.5

Samsung Galaxy S23 Ultra 5G (Phantom Black) Dual SIM 1TB Storage + 12GB RAM SIMFree Factory Unlocked Android Smartphone (Renewed)

Color: Phantom Black

Dimensions: 11.02 x 19.69 x 19.69 inches

Weight: 0.73 Pounds

Unit Count: 1

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Samsung

9.2

Samsung Galaxy S23 Ultra (S918) 5G Dual Sim 256GB 8GB RAM (Phantom Black) Black

Color: Black

Dimensions: 64.33 x 3.50 x 30.71 inches

Weight: 0.84 Pounds

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Samsung

Available in 1 Styles, 2 Sizes, 5 Colors

9.0

Samsung S23 Ultra all carriers 256GB Black (US Version)

Color: Black

Dimensions: 0.40 x 6.80 x 3.00 inches

Save 3%

Samsung

8.8

Samsung Galaxy S23 Ultra 5G SM-S918B/DS 256GB 12GB RAM, 200 MP Camera, Factory Unlocked, Global Version – Phantom Black (Renewed)

Color: Phantom Black

Dimensions: 0.40 x 6.80 x 3.00 inches

Samsung

8.6

Samsung Galaxy S23 Ultra 5G 512GB, Cream - Unlocked (Renewed)

Color: White

Dimensions: 0.00 x 0.00 x 0.00 inches

Weight: 0.66 Pounds

Unit Count: 29

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Our Top Choice

Best Used Samsung Galaxy S23 Ultra Unlocked Cell Phones

Premium Pick

Samsung

Available in 4 Colors, 3 Sizes, 2 Styles

9.7

Samsung Galaxy S25 Ultra AI Smartphone, Galaxy AI, 12GB Memory, 512GB Storage, 200MP Camera, S Pen Included, Titanium Black, 3 Year Manufacturer Extended Warranty (UK Version)

Color: Titanium Black

Dimensions: 0.32 x 6.41 x 3.06 inches

Weight: 0.48 Pounds

Release Date: 31/01/2025

Size: 512GB

Unit Count: 1

Save 11%

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2025 Expert Picks

Finding the perfect product can be challenging. That’s why our team invests countless hours in research, breaking down key insights into clear, side-by-side comparisons. Our top pick is based on what matters most to our readers, the most popular products in each category, and a data-driven assessment of all available options. We aim to provide you with all the details you need to make the best choice—quickly and confidently.

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Compare Features

Release Date	Premium Pick Samsung Galaxy S25 Ultra AI Smartphone, Galaxy AI, 12GB Memory, 512GB Storage, 200MP Camera, S Pen Included, Titanium Black, 3 Year Manufacturer Extended Warranty (UK Version) Samsung On Amazon	Samsung Galaxy S23 Ultra 5G SM-S918B/DS 512GB 12GB RAM, 200 MP Camera, Factory Unlocked, Global Version – Phantom Black Samsung On Amazon	Popular Samsung Galaxy S23 Ultra 5G (Phantom Black) Dual SIM 1TB Storage + 12GB RAM SIMFree Factory Unlocked Android Smartphone (Renewed) Samsung On Amazon	Samsung Galaxy S23 Ultra (S918) 5G Dual Sim 256GB 8GB RAM (Phantom Black) Black Samsung On Amazon	Samsung S23 Ultra all carriers 256GB Black (US Version) Samsung On Amazon	Samsung Galaxy S23 Ultra 5G SM-S918B/DS 256GB 12GB RAM, 200 MP Camera, Factory Unlocked, Global Version – Phantom Black (Renewed) Samsung On Amazon	Samsung Galaxy S23 Ultra 5G 512GB, Cream - Unlocked (Renewed) Samsung On Amazon
Deal
Deal	Save 11%	-	Save 13%	-	Save 3%	-	Save 6%
Color	Titanium Black	Black	Phantom Black	Black	Black	Phantom Black	White
Color	Titanium Black	Black	Phantom Black	Black	Black	Phantom Black	White
Dimensions	0.32 x 6.41 x 3.06 inches	0.40 x 6.80 x 3.00 inches	11.02 x 19.69 x 19.69 inches	64.33 x 3.50 x 30.71 inches	0.40 x 6.80 x 3.00 inches	0.40 x 6.80 x 3.00 inches	0.00 x 0.00 x 0.00 inches
Dimensions	0.32 x 6.41 x 3.06 inches	0.40 x 6.80 x 3.00 inches	11.02 x 19.69 x 19.69 inches	64.33 x 3.50 x 30.71 inches	0.40 x 6.80 x 3.00 inches	0.40 x 6.80 x 3.00 inches	0.00 x 0.00 x 0.00 inches
Weight	0.48 Pounds	0.63 pounds	0.73 Pounds	0.84 Pounds	0.62 Pounds	0.63 Pounds	0.66 Pounds
Weight	0.48 Pounds	0.63 pounds	0.73 Pounds	0.84 Pounds	0.62 Pounds	0.63 Pounds	0.66 Pounds
Release Date	2025-01-31T00:00:01Z	-	-	-	-	-	-
Release Date	31/01/2025	-	-	-	-	-	-
Size	512GB	-	-	-	256GB	256GB	-
Size	512GB	-	-	-	256GB	256GB	-
Unit Count	1	1	1	-	1	1	29
Unit Count	1	1	1	-	1	1	29

Trusting our TOP Pick

+1000

Hours of research

+1 Million

Purchases analyzed

+5000

Brands Compared

+100

Categories Covered

We leverage expert analysis and advanced technology to evaluate thousands of products. Our unbiased reviews are designed to save you time and ensure you find the best options with confidence.