Refurbished Samsung S21 Ultra
Refurbished Galaxy S21 Ultra Deals
Looking for the ultimate deal on Samsung’s premium smartphone? The Reboxed® Refurbished Galaxy S21 Ultra offers all the exceptional features of Samsung’s flagship device at up to 40% less than buying new.
Every Galaxy S21 Ultra is rigorously tested and restored through our exclusive 70-point TechCheck® process, guaranteeing top-tier quality and reliability. Plus, with a 12-month free warranty included, you can upgrade with peace of mind.
The refurbished Galaxy S21 Ultra stands out with its stunning 6.8-inch Dynamic AMOLED 2X display, quad-camera system, and is powered by the Exynos 2100/Snapdragon 888 chip (depending on region). With 5G connectivity and a sleek, premium design, it’s one of the best value phones available—without the hefty price tag of a brand-new model.
Buying a refurbished Galaxy S21 Ultra is not only great for your wallet, but it’s also better for the planet. For every Reboxed® Refurbished Galaxy S21 Ultra sold, we plant 5 trees and offset the device’s lifetime CO2 emissions.
Key Features of the Refurbished Galaxy S21 Ultra
The Galaxy S21 Ultra is packed with cutting-edge technology that makes it perfect for users who demand performance, style, and innovation:
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Display: The 6.8-inch Dynamic AMOLED 2X display delivers vibrant colors, deep blacks, and exceptional clarity with a 120Hz refresh rate and HDR10+ support. With 1500 nits peak brightness, it ensures a smooth, clear viewing experience even in direct sunlight.
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Camera System: The 108MP main camera captures ultra-detailed photos, and the 12MP ultra-wide, 10MP telephoto, and 10MP periscope lenses allow you to capture stunning landscapes and zoom in with clarity. The 100x Space Zoom and 8K video recording ensure professional-quality results.
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Performance: Powered by the Exynos 2100/Snapdragon 888 chip, the Galaxy S21 Ultra handles everything from high-performance gaming to video editing seamlessly. The enhanced AI processing ensures a faster and smoother experience, while energy-efficient technology extends battery life.
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Battery Life: Enjoy up to 22 hours of video playback, and with 25W fast charging, you can get up to 50% charge in just 30 minutes. The Galaxy S21 Ultra also supports wireless charging for added convenience.
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Build and Durability: The Galaxy S21 Ultra is built with IP68 water resistance and Gorilla Glass Victus, making it incredibly durable and able to withstand drops and scratches.
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MagSafe Accessories: Enhance your Galaxy S21 Ultra with MagSafe-compatible accessories. Whether it’s a MagSafe charger, stylish cases, or magnetic wallets, Reboxed® offers a wide range of accessories to complement your device. We also offer plastic-free eco-cases and Panzer screen protectors to keep your Galaxy S21 Ultra protected.
How Does the Galaxy S21 Ultra Compare to the Galaxy S21 Plus?
The Galaxy S21 Ultra brings a host of improvements over the Galaxy S21 Plus:
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Display Enhancements: The Galaxy S21 Ultra features a 6.8-inch Dynamic AMOLED 2X display, offering vibrant colors and a smooth experience while being larger than the 6.7-inch display on the Galaxy S21 Plus.
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Camera Upgrades: The Galaxy S21 Ultra boasts a 108MP main camera, compared to the 12MP main camera on the Galaxy S21 Plus, providing more resolution and better zoom capabilities.
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Battery Life: The Galaxy S21 Ultra offers up to 22 hours of video playback, a better battery experience than the Galaxy S21 Plus’ 18 hours.
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Premium Design: The Galaxy S21 Ultra has a more premium build and offers more advanced features like the periscope lens and 120Hz refresh rate.
Checkout all our refurbished Samsung here.
Buying A Refurbished Galaxy S21 Ultra
When you purchase a refurbished Galaxy S21 Ultra from Reboxed®, you're choosing a high-quality device that has been thoroughly tested and restored to meet our strict standards. We offer various condition grades to suit your preferences:
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Premium Condition: Perfect or near-mint condition, with no visible wear or scratches.
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Great Condition: Very minor signs of use, like micro-scratches on the screen or casing, only noticeable up close.
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Good Condition: Noticeable signs of use, such as small scratches on the screen and casing, visible at a distance of 20 cm.
More about our TechCheck® conditions here.
Why Choose a Reboxed® Refurbished Galaxy S21 Ultra?
When you buy from Reboxed®, you're getting more than just a smartphone. You’re getting:
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Unlocked and SIM-free phones, compatible with any carrier.
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A charging cable and a highly rated microfiber cleaning cloth.
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A 12-month TechCheck® warranty, which covers everything from cracked screens to liquid damage.
Additionally, for every phone sold, we plant 5 trees and offset the carbon emissions of the device, making your purchase a sustainable one. As a B-Corporation, we also donate 1% of our profits to environmental causes, helping us all fight climate change.
Each of our Galaxy S21 Ultra's comes with
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Charging cable
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12-month TechCheck® guarantee
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No contract (unlocked and sim free)
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A microfibre cloth
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5 Trees planted
Sell your Galaxy S21 Ultra
Got a Galaxy S21 Ultra, Galaxy S21 Plus, or other device? Get up to £800 cash back on selected devices when you sell, trade, or recycle it with Reboxed®. Get paid super fast; we pay on the day we receive your device and offer the best in market pricing. You won’t find better prices on companion sites.
It also covers: Cracked screens, Liquid Damage, Mechanical breakdown — all wherever you are in the world. For full coverage info, download the full Policy Document.
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Authorised and regulated by Pier insurance, underwritten by Collinson Insurance
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UK-Based Claims Team: Fast, reliable support from Pier’s UK team.
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No contract, cancel anytime
Frequently Asked Questions
Q: What does refurbished mean for the Galaxy S21 Ultra?
A: A refurbished Galaxy S21 Ultra is a pre-owned device restored to its original functionality. At Reboxed®, we use a 70-point TechCheck® process to ensure premium quality and reliability.
Q: Can I trade in my old phone?
A: Yes! Reboxed® offers a comprehensive trade-in program. Save money and reduce e-waste by trading in your old device.
Q: What accessories are included with my purchase?
A: Each refurbished Galaxy S21 Ultra includes a charging cable and a microfiber cloth. MagSafe accessories are also available for purchase.
Shop Refurbished Galaxy S21 Ultra Today
Ready to make the switch? Shop our refurbished Reboxed® Refurbished Galaxy S21 Ultracollection today and experience premium quality at a fraction of the price. It’s better for your pocket, better for the planet, and backed by Reboxed® trusted warranty and sustainability promise.
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