Samsung Galaxy S21 Ultra SIM-Free 512GB Phantom Silver

Buy Samsung Galaxy S21 Ultra for Sale – Get the Best Price (UK)

Certified Refurbished Samsung Galaxy S21 Ultra (UK) with 85%+ battery health, 12-month warranty. Best online prices - limited-time deals. ✅ SIM-Free & Unlocked – use any UK network ✅ Fast, Free UK Delivery ✅ Secure Checkout, No Hidden Fees

Why Choose the Galaxy S21 Ultra 5G?

The Samsung S21 Ultra 5G is a flagship powerhouse. It’s made for people who want the best in photography, performance, and design – all in one device.

The S21 Ultra is designed to meet the needs of demanding users who expect top-tier features and reliability.

In every way, the S21 Ultra excels in photography, performance, and design.

Camera – Pro-Level in Your Pocket

• Quad rear camera setup: Wide, Ultra-Wide, Telephoto, Periscope Zoom

• 108MP main sensor for crystal-clear shots and outstanding camera quality

• 40MP front camera for selfies and video calls

• 8K video recording – capture high-quality videos with cinema quality

• 100x Space Zoom for detailed distance shots

This camera setup delivers stunning photos and videos in any condition.

Display – Big, Bright, Immersive

• 6.8” Dynamic AMOLED 2X screen for an immersive, vivid view

• Quad HD+ resolution (3200 x 1440)

• 120Hz refresh rate for a smooth visual experience and silky scrolling

• Adaptive brightness and Eye Comfort Shield make viewing easy on the eyes

• Edge-to-edge design with contour-cut camera housing

Performance – Built to Keep Up

• Snapdragon 888 chip – a major upgrade in processor speed and performance compared to previous models

• Handles heavy apps, multitasking, and gaming with ease thanks to available RAM

• Lightning-fast download speeds for quick access to content and seamless uploads

• Seamless integration with other devices, such as connecting your Galaxy S21 Ultra 5G to a computer

• Customisable settings let you optimise device performance and personalise features to your preferences

• Storage options: 128GB / 256GB / 512GB

Battery – All-Day Endurance

• 5000mAh capacity

• Up to 12 hours browsing / 15 hours video playback

• Fast charging + wireless charging supported

Durability – Built Tough

• Gorilla Glass (front and back)

• Scratch and drop resistant

• Armour frame design

• Water and dust resistant

S Pen Compatibility

• First Galaxy S Series with S Pen support (sold separately)

• Take notes, sketch, edit, and control apps with precision

Why Buy from The Big Phone Store for the best deals?

• Best UK prices – compared daily

• Unlocked & SIM-free – total freedom of network choice

• Eco-friendly packaging – better for the planet

• Trusted UK retailer since 1999

• Rated 4.7/5 on Trustpilot by real customers

Other Models in the S21 Series

These are other products in the S21 series:

• Galaxy S21 Plus 5G – big screen, lower price

• Galaxy S21 5G – compact flagship

• Galaxy S21 FE 5G – affordable fan edition

Final Word

The Samsung S21 Ultra 5G is Samsung’s ultimate 2021 flagship. It packs a pro-level camera, stunning AMOLED display, fast performance, and a huge battery – all in a durable, stylish body.

Buy today from The Big Phone Store for the best UK price, fast delivery, and complete peace of mind.

Explore S21 Ultra Available Options

For more,Samsung S21 Ultra, explore the wide range of colours and storage options, giving you the flexibility to choose the perfect model for your needs.

More Samsung Galaxy Devices & Accessories

Looking for a Samsung Galaxy device without the hefty price? We offer a great selection of Samsung refurbished tablet and refurbished Samsung watches with the latest features at affordable prices:

• Choose from models to fit any budget, from the latest to budget-friendly options

• Keep charged with our Samsung charger and charger cable

• Protect your device with a Samsung screen protector and other essentials

No matter what you're looking for, our Samsung collection has the perfect device and accessories for you!

For More Refurbished Phones & Devices

Looking for more unbeatable SIM-Free Phones? Explore our full range of Apple Refurbished devices, including the latest Refurbished iPhones, as well as top picks from Samsung Refurbished and Google Refurbished. Whether you're after performance, value, or sustainability, our collection of refurbished phones offers the best in quality and price.

Turn Old Tech into Cash Trade-In Deals

Want to upgrade while saving more? Ready to clear out your old devices? At The Big Phone Store, you can sell phone in just a few clicks and get paid fast. 
Whether you're upgrading or simply decluttering, we offer a hassle-free phone trade-in process with competitive prices and free shipping.