What is a refurbished phone?

A refurbished phone is a pre-owned device that has been professionally tested, repaired if needed, cleaned, and restored to full working condition. At Zextons it is sold with a cosmetic grade and warranty.

Are your refurbished phones tested before sale?

Yes. All refurbished phones go through a thorough 70+ point inspection covering battery health, screen responsiveness, cameras, charging ports, and more.

What battery health will my refurbished phone have?

Refurbished Apple iPhones supplied by Zextons have a minimum battery health of 85%. Other phones are tested to the manufacturer's standards. This does not mean every device has a brand-new battery or 100% battery health.

Do you use original parts?

Yes. Zextons uses original parts when repairs are required on refurbished devices, subject to availability and the needs of the inspection.

Do your refurbished phones come with a warranty?

Yes. Refurbished phones typically include an 18-month Zextons warranty, subject to the warranty terms on the listing.

What is the difference between Excellent, Good and Fair condition?

These grades describe cosmetic condition. Excellent has minimal marks, Good has light cosmetic wear, and Fair has visible cosmetic wear. All grades undergo a 70+ point inspection to check functionality before sale.

Are your phones unlocked?

Yes. Unless otherwise stated, all phones are fully unlocked and compatible with UK networks including Vodafone, O2, EE, and Three.

What accessories come with the phone?

Refurbished phones include a charging cable, SIM tool, and Protection bundle where stated. A charger plug is included only when listed on the product. Packaging may not be original.

Can I return the phone if I change my mind?

Yes. We offer a 30-day return policy on most phones. The phone must be returned in the same condition as received. See our return policy for full details.

How long does delivery take?

We offer fast and secure UK delivery, usually within 1 to 2 working days. Tracking information is provided once your order ships.

Do you offer "Buy Now, Pay Later" or installment options?

Yes. Buy Now, Pay Later options are available through trusted payment providers at checkout. Terms and availability vary by device.

Is it safe to buy refurbished phones online?

Yes. At Zextons Tech Store, every refurbished phone is professionally restored, tested, and backed by a warranty for reliable performance at a lower cost.

Samsung Galaxy S21 Ultra - Unlocked

Name: Samsung Galaxy S21 Ultra - Unlocked
Brand: Samsung
SKU: SGS21U-5G-128GB-PBK-E
Availability: InStock
Rating: 4.2 (10 reviews)

4.2/5 (10 reviews)

Product Specifications

Display
Dynamic AMOLED 2X
Size
6.8 inches
OS
Android 11
Chipset
Qualcomm SM8350 Snapdragon 888 5G
CPU
Octa-core
GPU
Adreno 660
Internal Memory
128GB 12GB RAM
Main Camera
108 MP
SIM
Nano-SIM and eSIM
Resolution
1440 x 3200 pixels
Battery Type
Li-Ion 5000 mAh
Connector
USB-C
Network
5G
SD Card Slot
No
Launch
2021
Weight
227 g

Perks & Benefits Included

Warranty

Refurbished Device

18-Month Warranty. If the item has a technical defect within 18 months, we will repair or replace it.

Brand New Device

All brand new devices come with a standard 12-month manufacturer warranty. With some brands, this warranty may be extended to up to 24 months.

30-Day Return Policy

You can return your item within the first 30 days of receiving it, no questions asked.

Fast Free Shipping

Enjoy fast, free delivery on all orders over £30.

Customer Support

We are here for you. Expect a response within 1 business day.

Pay in Instalments

Spread the cost with easy monthly payments over 3, 6, or 12 months using Klarna or PayPal.

FAQs

What is a refurbished phone?: A refurbished phone is a pre-owned device that has been professionally tested, repaired if needed, cleaned, and restored to full working condition. At Zextons it is sold with a cosmetic grade and warranty.
Are your refurbished phones tested before sale?: Yes. All refurbished phones go through a thorough 70+ point inspection covering battery health, screen responsiveness, cameras, charging ports, and more.
What battery health will my refurbished phone have?: Refurbished Apple iPhones supplied by Zextons have a minimum battery health of 85%. Other phones are tested to the manufacturer's standards. This does not mean every device has a brand-new battery or 100% battery health.
Do you use original parts?: Yes. Zextons uses original parts when repairs are required on refurbished devices, subject to availability and the needs of the inspection.
Do your refurbished phones come with a warranty?: Yes. Refurbished phones typically include an 18-month Zextons warranty, subject to the warranty terms on the listing.
What is the difference between Excellent, Good and Fair condition?: These grades describe cosmetic condition. Excellent has minimal marks, Good has light cosmetic wear, and Fair has visible cosmetic wear. All grades undergo a 70+ point inspection to check functionality before sale.
Are your phones unlocked?: Yes. Unless otherwise stated, all phones are fully unlocked and compatible with UK networks including Vodafone, O2, EE, and Three.
What accessories come with the phone?: Refurbished phones include a charging cable, SIM tool, and Protection bundle where stated. A charger plug is included only when listed on the product. Packaging may not be original.
Can I return the phone if I change my mind?: Yes. We offer a 30-day return policy on most phones. The phone must be returned in the same condition as received. See our return policy for full details.
How long does delivery take?: We offer fast and secure UK delivery, usually within 1 to 2 working days. Tracking information is provided once your order ships.
Do you offer "Buy Now, Pay Later" or installment options?: Yes. Buy Now, Pay Later options are available through trusted payment providers at checkout. Terms and availability vary by device.
Is it safe to buy refurbished phones online?: Yes. At Zextons Tech Store, every refurbished phone is professionally restored, tested, and backed by a warranty for reliable performance at a lower cost.

Free Next Day Delivery

Trustpilot

Select Condition

excellent

Select StorageSelect a condition first

128GB

Select ColorSelect condition and storage first

phantom blackphantom silverphantom brown

Comes with

Charging Cable

Protection Bundle

SIM Tool

Tree Planted

Choose Your Free SIM (Optional):

Samsung Galaxy S21 Ultra - Unlocked - Main view

Trustpilot

Product Summary :

The Samsung Galaxy S21 Ultra (128GB, 12GB RAM, SIM + eSIM) is a flagship device featuring a stunning 6.8-inch Dynamic AMOLED 2X display, 108MP quad-camera system, and a powerful Exynos 2100 or Snapdragon 888 chipset. With a 5000mAh battery, fast charging, and 5G connectivity, it delivers an unrivaled smartphone experience.

Product Description :

The Samsung Galaxy S21 Ultra unlocked is a premium smartphone powerhouse designed for those who want cutting-edge technology and advanced features in a sleek, premium package. With 128GB of storage and 12GB of RAM, this carrier unlocked flagship phone delivers exceptional performance for multitasking, mobile gaming, and professional photography. Whether you're capturing stunning photos, editing videos, or running demanding applications, the S21 Ultra's superior hardware and software integration ensure a smooth experience. Its SIM + eSIM capability makes it a versatile unlocked device for global connectivity. Available now with warranty and certified quality.

Design and Display

The Galaxy S21 Ultra unlocked smartphone boasts a sophisticated design with a premium matte finish available in multiple colors. It features a large 6.8-inch Dynamic AMOLED 2X HD display that supports WQHD+ resolution (3200 x 1440), offering an incredibly sharp and vibrant visual experience. The 120Hz adaptive refresh rate ensures smoother scrolling, gaming, and overall responsiveness, while the Gorilla Glass Victus on both the front and back provides extra durability and water resistant protection. The curved edges, reduced bezels, and centered punch-hole front camera give the phone a clean and futuristic look. Shop now for this award-winning design.

Performance and Hardware

Powered by the Exynos 2100 (International) or Qualcomm Snapdragon 888 5G, the S21 Ultra unlocked is built for top-rated performance. The 12GB of RAM ensures fluid multitasking, and the 128GB internal storage offers plenty of space for apps, media, and files. Its Nano SIM + eSIM functionality allows for dual SIM dual-network use, perfect for traveling or managing personal and work numbers on the same unlocked device. The 5,000mAh battery offers all-day battery life, and with 25W fast charging, 15W wireless charging, and reverse wireless charging, you can power up in minutes and even charge other devices on the go. Buy online with fast delivery and quality assured performance.

Camera System

The Galaxy S21 Ultra unlocked smartphone shines with its revolutionary quad-camera system, making it a favorite among photography enthusiasts and professional photography users. The advanced camera setup includes:

108MP wide-angle sensor for incredibly detailed shots
12MP ultra-wide sensor for panoramic views
10MP periscope telephoto lens with 10x optical zoom
10MP telephoto lens with 3x optical zoom for closer shots

The S21 Ultra also offers 100x Space Zoom, allowing you to capture faraway subjects in impressive detail. The Laser AF Sensor ensures that all shots are crisp and sharp. The 40MP front camera delivers excellent selfies and supports 4K video recording at 60fps, ensuring your videos are smooth and high-quality. Order now for industry-leading camera technology at an affordable price.

Software and Features

The Galaxy S21 Ultra unlocked android phone runs on Samsung's One UI 3.1 based on Android 11, which is both intuitive and highly customizable. The phone supports 5G connectivity, ensuring lightning-fast internet speeds for streaming, downloads, and online gaming. It is also equipped with Wi-Fi 6E, making it one of the first devices to offer this cutting-edge wireless standard, providing faster speeds and more reliable connections. Samsung Knox provides top-tier security, protecting your data, while Samsung DeX lets you connect your phone to a monitor for a PC-like productivity experience. Available now with certified software and latest features.

Key Features

6.8-inch Dynamic AMOLED 2X HD display with WQHD+ resolution
120Hz adaptive refresh rate for smoother scrolling and gaming
Exynos 2100 or Qualcomm Snapdragon 888 flagship chipset
Quad-camera system with 108MP wide, 12MP ultra-wide, and dual 10MP telephoto lenses
100x Space Zoom for extreme close-up shots
40MP front camera with 4K video recording
128GB storage and 12GB RAM unlocked smartphone
5,000mAh battery with fast, wireless, and reverse wireless charging
5G connectivity and Wi-Fi 6E cutting-edge technology
Samsung Knox security and Samsung DeX support
Carrier unlocked for all networks
Water resistant IP68 rating
Buy now with warranty and money-back guarantee

Color Variations

The Galaxy S21 Ultra unlocked is available now in multiple colors, including Phantom Black, Phantom Silver, and Phantom Brown, each offering a sleek and premium look to suit different styles. Shop all colors in stock with fast shipping and best prices guaranteed.

Frequently Asked Questions (FAQs)

Is the Samsung Galaxy S21 Ultra worth buying?

Yes, the Galaxy S21 Ultra unlocked smartphone is worth buying for users who want flagship performance, professional photography capabilities, and cutting-edge technology. With its 108MP camera system, 5G connectivity, and premium build quality, it offers excellent value at the best price available.

Is the Galaxy S21 Ultra unlocked?

Yes, you can buy the Galaxy S21 Ultra factory unlocked version that works with all major carriers including Verizon, AT&T, T-Mobile, and international networks. The carrier unlocked model (G998U1) provides maximum flexibility and global connectivity.

What is the difference between locked and unlocked Galaxy S21 Ultra?

The unlocked Galaxy S21 Ultra can be used with any carrier worldwide, while locked versions are tied to specific networks. Unlocked smartphones offer better resale value, international roaming capabilities, and freedom to switch carriers without restrictions.

Does the Galaxy S21 Ultra support 5G?

Yes, the Galaxy S21 Ultra unlocked supports both Sub-6 and mmWave 5G connectivity for ultra-fast internet speeds, streaming, and mobile gaming performance. Available now with full 5G compatibility.

How good is the Galaxy S21 Ultra camera?

The Galaxy S21 Ultra features an industry-leading 108MP quad-camera system with 100x Space Zoom, professional photography modes, and 4K video recording. It's considered one of the best camera phones for both casual users and photography enthusiasts.

What colors does the Galaxy S21 Ultra come in?

The Galaxy S21 Ultra unlocked is available in Phantom Black, Phantom Silver, and Phantom Brown colors. Shop all color options in stock with fast shipping.

Does the Galaxy S21 Ultra have expandable storage?

No, the Galaxy S21 Ultra does not support microSD card expansion. However, it comes with generous 128GB, 256GB, or 512GB internal storage options to meet most users' needs.

Is the Galaxy S21 Ultra waterproof?

The Galaxy S21 Ultra has IP68 water resistance rating, making it resistant to water submersion up to 1.5 meters for 30 minutes. It's water resistant but not completely waterproof.

How long does the Galaxy S21 Ultra battery last?

The 5000mAh battery provides all-day usage with fast charging (25W), wireless charging (15W), and reverse wireless charging capabilities. Buy now for excellent battery performance.

Does the Galaxy S21 Ultra support wireless charging?

Yes, the Galaxy S21 Ultra unlocked supports 15W wireless charging, reverse wireless charging, and 25W fast wired charging for convenient power management.

Can I use the Galaxy S21 Ultra internationally?

Yes, the factory unlocked Galaxy S21 Ultra works internationally with dual SIM support (Nano SIM + eSIM) for global connectivity and travel convenience.

What Android version does the Galaxy S21 Ultra run?

The Galaxy S21 Ultra unlocked smartphone runs Android 11 with Samsung's One UI 3.1, providing latest features, security updates, and customizable user experience.

Does the Galaxy S21 Ultra come with a warranty?

Yes, authorized dealers provide manufacturer warranty coverage. Buy from certified retailers to ensure warranty protection and quality assurance.

Is the Galaxy S21 Ultra good for gaming?

Yes, with its Qualcomm SM8350 Snapdragon 888 5G chipset, 12GB RAM, 120Hz display, and 5G connectivity, the Galaxy S21 Ultra delivers exceptional mobile gaming performance.

Where can I buy the Galaxy S21 Ultra unlocked?

You can purchase the Galaxy S21 Ultra unlocked from authorized retailers, online marketplaces, and certified dealers. Shop now for best prices with money-back guarantee and fast delivery.

Samsung Galaxy S21 Ultra - Unlocked

4.2/5 (10 reviews)

Product Specifications

Display
Dynamic AMOLED 2X
Size
6.8 inches
OS
Android 11
Chipset
Qualcomm SM8350 Snapdragon 888 5G
CPU
Octa-core
GPU
Adreno 660
Internal Memory
128GB 12GB RAM
Main Camera
108 MP
SIM
Nano-SIM and eSIM
Resolution
1440 x 3200 pixels
Battery Type
Li-Ion 5000 mAh
Connector
USB-C
Network
5G
SD Card Slot
No
Launch
2021
Weight
227 g

Perks & Benefits Included

Warranty

Refurbished Device

18-Month Warranty. If the item has a technical defect within 18 months, we will repair or replace it.

Brand New Device

All brand new devices come with a standard 12-month manufacturer warranty. With some brands, this warranty may be extended to up to 24 months.

30-Day Return Policy

You can return your item within the first 30 days of receiving it, no questions asked.

Fast Free Shipping

Enjoy fast, free delivery on all orders over £30.

Customer Support

We are here for you. Expect a response within 1 business day.

Pay in Instalments

Spread the cost with easy monthly payments over 3, 6, or 12 months using Klarna or PayPal.

FAQs

What is a refurbished phone?: A refurbished phone is a pre-owned device that has been professionally tested, repaired if needed, cleaned, and restored to full working condition. At Zextons it is sold with a cosmetic grade and warranty.
Are your refurbished phones tested before sale?: Yes. All refurbished phones go through a thorough 70+ point inspection covering battery health, screen responsiveness, cameras, charging ports, and more.
What battery health will my refurbished phone have?: Refurbished Apple iPhones supplied by Zextons have a minimum battery health of 85%. Other phones are tested to the manufacturer's standards. This does not mean every device has a brand-new battery or 100% battery health.
Do you use original parts?: Yes. Zextons uses original parts when repairs are required on refurbished devices, subject to availability and the needs of the inspection.
Do your refurbished phones come with a warranty?: Yes. Refurbished phones typically include an 18-month Zextons warranty, subject to the warranty terms on the listing.
What is the difference between Excellent, Good and Fair condition?: These grades describe cosmetic condition. Excellent has minimal marks, Good has light cosmetic wear, and Fair has visible cosmetic wear. All grades undergo a 70+ point inspection to check functionality before sale.
Are your phones unlocked?: Yes. Unless otherwise stated, all phones are fully unlocked and compatible with UK networks including Vodafone, O2, EE, and Three.
What accessories come with the phone?: Refurbished phones include a charging cable, SIM tool, and Protection bundle where stated. A charger plug is included only when listed on the product. Packaging may not be original.
Can I return the phone if I change my mind?: Yes. We offer a 30-day return policy on most phones. The phone must be returned in the same condition as received. See our return policy for full details.
How long does delivery take?: We offer fast and secure UK delivery, usually within 1 to 2 working days. Tracking information is provided once your order ships.
Do you offer "Buy Now, Pay Later" or installment options?: Yes. Buy Now, Pay Later options are available through trusted payment providers at checkout. Terms and availability vary by device.
Is it safe to buy refurbished phones online?: Yes. At Zextons Tech Store, every refurbished phone is professionally restored, tested, and backed by a warranty for reliable performance at a lower cost.

Free Next Day Delivery

Trustpilot

Select Condition

excellent

Select StorageSelect a condition first

128GB

Select ColorSelect condition and storage first

phantom blackphantom silverphantom brown

Comes with

Charging Cable

Protection Bundle

SIM Tool

Tree Planted

Choose Your Free SIM (Optional):

Trustpilot

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Samsung Galaxy S26 Ultra - Unlocked

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Product Summary :

Product Description :

Design and Display

Performance and Hardware

Camera System

108MP wide-angle sensor for incredibly detailed shots
12MP ultra-wide sensor for panoramic views
10MP periscope telephoto lens with 10x optical zoom
10MP telephoto lens with 3x optical zoom for closer shots

Software and Features

Key Features

6.8-inch Dynamic AMOLED 2X HD display with WQHD+ resolution
120Hz adaptive refresh rate for smoother scrolling and gaming
Exynos 2100 or Qualcomm Snapdragon 888 flagship chipset
Quad-camera system with 108MP wide, 12MP ultra-wide, and dual 10MP telephoto lenses
100x Space Zoom for extreme close-up shots
40MP front camera with 4K video recording
128GB storage and 12GB RAM unlocked smartphone
5,000mAh battery with fast, wireless, and reverse wireless charging
5G connectivity and Wi-Fi 6E cutting-edge technology
Samsung Knox security and Samsung DeX support
Carrier unlocked for all networks
Water resistant IP68 rating
Buy now with warranty and money-back guarantee

Color Variations

Frequently Asked Questions (FAQs)