10 Best Samsung Galaxy S23 Ultra in The UK

Last updated on 07/08/2025

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Best Choice

9.8

Exceptional

Samsung

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

Why We Love It

Globally unlocked for flexibility.
Stunning 200MP camera resolution.
Massive 512GB storage capacity.

Main Highlights

NOTE: Global Version. This device is globally unlocked and ready to be used with your preferred Carrier. SIM CARD NOT INCLUDED. Please confirm device compatibility with your service provider before placing your order.
Supported Network Bands: 5G/4G/3G/2G. Please note that 5G requires the support of local telecom operator services and may not be available in all regions. Please check with your service provider to see if 5G is offered in your area.
SIM Cards: Dual slots: 5G*+5G or 4G dual-SIM / dual-standby support, Slot 1: 5G/4G/3G/2G Nano SIM card, Slot 2: 5G/4G/3G/2G Nano SIM card, * 5G services are only supported in 5G network-enabled locations in 5G-ready countries.
Storage: 512GB UFS3.1, 12GB RAM LPDDR5X
Display: 6.8 inches, 114.7 cm2 (~89.9% screen-to-body ratio)
Platform: Android 13, One UI 5.1 Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm)
Camera: 200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, Laser AF, OIS. HIGHEST PHONE CAMERA RESOLUTION: Create crystal-clear content worth sharing with Galaxy S23 Ultra’s 200MP camera — the highest camera resolution on a phone; Whether you’re posting or printing, Galaxy S23 Ultra always does the moment justice
Battery: Li-Ion 50000 mAh, non-removable

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

Why We Love It

Original brand assures quality.
Two-year warranty included.
Front camera feature delight.

Main Highlights

Original brand product.
Two-year against factory defects.
camera_description: Front

Samsung S23 ULTRA 8_256GB NOIR

6% Off

Why We Love It

Powerful 5G connectivity speed.
Exceptionally long battery life.
Vibrant large display.

Main Highlights

The typical symmetrical design of the Galaxy S23 Ultra is made from carefully selected and partially recycled materials
Stay grounded with a variety of natural shades.4 Made with partially natural dyes, each shade appears elegant and sublime, but still quite down to earth.3
We've equipped the Galaxy S23 Ultra's main camera with our largest sensor, light-absorbing pixels and our best video stabilization technology
Take sharp photos and videos from dusk to dawn.

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

3% Off

Why We Love It

Globally unlocked for preferred carriers.
Future-proof with 5G support.
Has highest phone camera resolution.

Main Highlights

NOTE: Global Version. This device is globally unlocked and ready to be used with your preferred Carrier. SIM CARD NOT INCLUDED. Please confirm device compatibility with your service provider before placing your order. Supported Network Bands: 5G/4G/3G/2G. Please note that 5G requires the support of local telecom operator services and may not be available in all regions. Please check with your service provider to see if 5G is offered in your area.
SIM Cards: Dual slots: 5G*+5G or 4G dual-SIM / dual-standby support, Slot 1: 5G/4G/3G/2G Nano SIM card, Slot 2: 5G/4G/3G/2G Nano SIM card, * 5G services are only supported in 5G network-enabled locations in 5G-ready countries.
Storage: 256GB UFS3.1, 12GB RAM LPDDR5X
Display: 6.8 inches, 114.7 cm2 (~89.9% screen-to-body ratio)
Platform: Android 13, One UI 5.1 Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm)
Camera: 200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, Laser AF, OIS. HIGHEST PHONE CAMERA RESOLUTION: Create crystal-clear content worth sharing with Galaxy S23 Ultra’s 200MP camera — the highest camera resolution on a phone; Whether you’re posting or printing, Galaxy S23 Ultra always does the moment justice
Battery: Li-Ion 50000 mAh, non-removable

Samsung Galaxy S23 Ultra 256GB, Dual SIM, Green - Unlocked (Renewed)

Why We Love It

Large 6.8 inch display.
Massive 256GB storage capacity.
Long-lasting 50000.0mAh battery.

Main Highlights

Camera description : Front
Connectivity technology : Wi-Fi
Display.size : 6.8 inches
Manufacturer : Samsung
Memory storage capacity : 256.0 GB
Operating system : Android 13.0
Wireless network technology : CDMA
Wireless provider : all carriers
Battery.capacity : 50000.0 milliamp hours
Included components : USB Cable
Transportation restrictions : {modes:["NONE"],eval attrs:{{4AEA6u6jgYPen4a+nN6ahI6RaGF6bWF0U3ltYm9sVGFibGWFIQGIIV7eoabdskg/49cKPXCj17NxXa9xOKXdskhAEzMzMzMzM7NxNA==}}}
Item dimensions : 3.0 inches
Camera description : Front
Connectivity technology : Wi-Fi
Display.size : 6.8 inches
Manufacturer : Samsung
Memory storage capacity : 256.0 GB
Operating system : Android 13.0
Wireless network technology : CDMA
Wireless provider : all carriers
Battery.capacity : 50000.0 milliamp hours
Included components : USB Cable
Transportation restrictions : {modes:["NONE"],eval attrs:{{4AEA6u6jgYPen4a+nN6ahI6RaGF6bWF0U3ltYm9sVGFibGWFIQGIIV7eoabdskg/49cKPXCj17NxXa9xOKXdskhAEzMzMzMzM7NxNA==}}}
Item dimensions : 3.0 inches

Samsung Galaxy S23 Ultra 5G 256GB, Phantom Black - Unlocked (Renewed)

20% Off

Why We Love It

Supports all wireless network carriers.
Massive 256.0 GB storage capacity.
Runs on Android 8.1.

Main Highlights

Manufacturer: Dunlop
Camera Description: Front
Item Dimensions: 19.69 inches
Wireless Provider: all_carriers
Wireless Network Technology: CDMA
Memory Storage Capacity: 256.0 GB
Connectivity Technology: WLAN
Power Plug Type: no_plug
Operating System: Android 8.1

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

20% Off

Why We Love It

Impressive 200MP camera quality.
Unbeatable 12GB RAM performance.
Sleek Phantom Black design.

Main Highlights

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

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

15% Off

Why We Love It

High storage for your needs.
Sleek, stylish black color.
Dual SIM for convenience.

Main Highlights

Samsung Galaxy S23 Ultra 5G Dual SIM Android Mobile Phone, 256GB, SIM Free Smartphone, Black
product type: CELLULAR PHONE
brand: Samsung
color: Black

Samsung Galaxy S23 Ultra Android Smartphone, 256 GB, 5,000 mAh Battery, Smartphone without Contract, Phantom Black (Renewed)

9% Off

Why We Love It

Powerful battery longevity.
High storage capacity.
Sleek Phantom Black design.

Main Highlights

Samsung Galaxy S23 Ultra Android Smartphone, 256 GB, 5,000 mAh Battery, Smartphone without Contract, Phantom Black (Renewed)
Brand: Samsung
Product_type: Cellular Phone

Samsung Galaxy S23 Ultra SM-S918B 17.3 cm (6.8") Android 13 5G USB Type-C 8 GB 256 GB 5000 mAh Green (Renewed)

15% Off

Why We Love It

Fast and reliable connectivity.
Generous 256GB storage capacity.
Compatible with all carriers.

Main Highlights

Camera description: front
Connectivity technology: USB
Display.size: 0.0 inches
Manufacturer: SAMSUNG
Memory storage capacity: 256.0 GB
Operating system: Android 8.1
Wireless network technology: CDMA
Wireless provider : all carriers
Transportation restrictions : {modes:["GROUND"],eval attrs:{{4AEA6u6jgYPen4a+nN6ahI6RaGF6bWF0U3ltYm9sVGFibGWFIQGIIV7epKbdskg/5R64UeuFH7NxXa9xOaXdskhADAAAAAA. AAAAAAAAAAAALNKNxXw==}}}
Item dimensions : 0.0 inches

8.7

Excellent

Save 15%

We scanned 949 products

We reviewed these offers relevant to the Samsung Galaxy S23 Ultra within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Samsung, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Samsung Galaxy S23 Ultra in the market, we considered we took a deep dive into 4746 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Samsung Galaxy S23 Ultra 5G SM-S918B/DS 512GB 12GB RAM, 200 MP Camera, Factory Unlocked, Global Version – Phantom Black. We love many things about this product by Samsung. What sets it apart from the competition is Globally unlocked for flexibility. , Stunning 200MP camera resolution. , Massive 512GB storage capacity. .
The best value product for most shoppers and where user satisfaction is continuously the highest is Samsung Galaxy S23 Ultra (S918) 5G Dual Sim 256GB 8GB RAM (Phantom Black) Black by Samsung based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Samsung Galaxy S23 Ultra and the best cost-to-value ratio is Samsung Galaxy S23 Ultra 5G SM-S918B/DS 256GB 12GB RAM, 200 MP Camera, Factory Unlocked, Global Version – Phantom Black (Renewed)at Samsung with a 20% discount.
Our list of the best Samsung Galaxy S23 Ultra is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Samsung Galaxy S23 Ultra in The UK

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We scanned 949 products

We concluded that: