1. 256GB - Phantom Black - Good Condition
Samsung Galaxy S21 Plus 5G
Samsung Galaxy S21 Plus 5G
Samsung Galaxy S21 Plus 5G

Samsung Galaxy S21 Plus SIM-Free 256GB Phantom Black

5 stars

(9 reviews)

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£229.99

was £310.00 Save £80.01
This item is out of stock

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Product Information
What's Included
Condition Information
Delivery
Warranty
Returns
Overview

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

Certified Refurbished Samsung Galaxy S21 Plus (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 ✅ Trusted UK Retailer since 1999

Why Choose the Galaxy S21 Plus 5G?

The Samsung S21 Plus 5G is a flagship phone with a balance of power, style, and performance. With its 6.7-inch Dynamic AMOLED display, Exynos 2100 chip, and triple-lens camera system, this device is made for people who want top features without being tied to a contract.

From streaming and gaming to photography and everyday tasks, the S21 Plus 5G delivers smooth, fast, and reliable performance.

Key Features

  • 6.7” Dynamic AMOLED 2X Display – 120Hz refresh rate for smooth visuals

  • Triple Camera System – 12MP wide + 12MP ultra-wide + 64MP telephoto

  • 30x Space Zoom + Night Mode + 4K video recording

  • 4800mAh Intelligent Battery – all-day power with adaptive management

  • Exynos 2100 Processor – great for multitasking, apps, and gaming

  • 5G Ready – enjoy ultra-fast download and streaming speeds

  • Durability – Gorilla Glass Victus provides protection against drops and scratches

  • Super Fast Charging – hours of power in minutes

Design and Display

The Galaxy S21 Plus stands out with its sophisticated design and exceptional build quality, making it a true premium smartphone. 

Available in stunning colours like Phantom Black, Phantom Silver, and Phantom Violet, the S21 Plus lets you express your style while enjoying a device that feels as good as it looks. The matte finish on the glass back means your phone always looks clean and sleek.

The solid glass back isn’t just about looks; it enables both wireless charging and reverse wireless charging. So you can power up your Galaxy Buds or other compatible devices with ease. 

As the middle phone in the S21 series, the Samsung S21 Plus strikes the perfect balance between features and price. You get a premium feel and top-tier display without the high cost. 

If you’re looking to save money while still getting a high-quality device, the S21 Plus is a smart choice that doesn’t compromise on performance or style.

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

  • Best UK prices – compared daily

  • All phones tested & certified by our UK team

  • Unlocked & SIM-free – freedom to choose your network

  • Eco-friendly packaging – sustainable and secure

  • Purchasing from The Big Phone Store helps reduce electronic waste and supports sustainability.

  • You can expect a straightforward process, quality packaging, and reliable delivery.

  • 4.7-star Trustpilot rating – thousands of happy customers

Other S21 Models

Get your Next Phone at The Big Phone Store

The S21 Plus 5G is a big-screen flagship with great cameras, long battery life, and smooth 5G performance.

Shop for smartphones at The Big Phone Store and discover a wide range of high-quality devices. We sell the latest smartphones and make every purchase easy and secure. Order today!

Explore Samsung Galaxy S21 Plus Available Options

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

Available Samsung Galaxy S21 Plus Options

Colours

Storage Capacities

Samsung Galaxy S21 Plus 5g Silver

Samsung Galaxy S2I Plus 5g 128gb

Samsung Galaxy S21 Plus 5g Black

Samsung Galaxy S21 Plus 5g 256gb

Samsung Galaxy S21 Plus 5g Violet

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:

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.

Reliable Power

This Galaxy S21 Plus 5G comes with 85% minimum battery health

Better than competitors' 80% average

Charging Battery Icon
What's in the Box

What's In The Box?

  • Your Galaxy S21 Plus 5G
  • SIM Removal Tool
  • Charging Cable
  • 100% Sustainable and Recyclable Box
  • One Month Free Phone Insurance

12 month warranty on your Galaxy S21 Plus 5G

Dont miss out on upgrading to 24 months warranty

The Galaxy S21 Plus 5G from The Big Phone Store comes with a Big warranty! The policy covers any internal fault that may arise through normal use during the 12 month warranty period.

Saving the Planet

Buying a refurbished Galaxy S21 Plus 5G is a smart way to reduce your environmental footprint

With over a billion electronic devices produced each year—many of which eventually end up in landfills—choosing a refurbished Galaxy S21 Plus 5G helps break the cycle of waste. Every product we restore and resell keeps valuable materials in use longer, reducing harmful electronic waste and supporting a more sustainable future.

This Galaxy S21 Plus 5G undergoes rigorous testing to guarantee top-tier reliability

Phonecheck Logo
  • Lock Detection Icon
    Lock Detection Checks for manufacturer, carrier, & software locks.
  • Diagnostics Icon
    Diagnostics Automated component functionality scan.
  • Battery Health Icon
    Battery Health Battery capacity check to receive and hold a charge.
  • Authenticity Icon
    Authenticity Replacement part & background check.
  • Cellular Service Icon
    Cellular Service Check SIM, place test call & sms message.
  • Erase & Reset Icon
    Erase & Reset Secure data wipe and reset to factory default.

Galaxy S21 Plus 5G Customer Reviews

We value the opinions of all of our customers, and we're sure that you do too! If you're still unsure about buying the Galaxy S21 Plus 5G you want, take a look at the reviews our customers have left for us.

4.9 stars 4.9/5
Based on 9 customer reviews
R
Ron 11 months ago
5 stars

Wow, I got a Samsung Galaxy S21 Plus, and it’s in pristine condition! The phone feels brand new and works like a charm. I'm thrilled with the speed and battery life. Buying process was super easy, and they were quick with delivery. Fantastic value for money!

Value for money

5 stars

Overall performance

5 stars

Phone condition

5 stars

Battery

5 stars

Delivery speed

5 stars

Recycled packaging

5 stars
J
Jojo 1 year ago
5 stars

Awesome

Value for money

5 stars

Overall performance

5 stars

Phone condition

5 stars

Battery

5 stars

Delivery speed

5 stars

Recycled packaging

5 stars
T
Tracy 1 year ago
5 stars

Purchased 2 devices around 1 month ago now and I have been nothing but happy, easy order process and the phones are just perfect.

Value for money

5 stars

Overall performance

5 stars

Phone condition

5 stars

Battery

5 stars

Delivery speed

5 stars

Recycled packaging

5 stars
J
Janet 2 years ago
5 stars

Phone came quickly and I am happy it did, best purchase for a while, love the design of this phone and it is a great size

Value for money

4 stars

Overall performance

5 stars

Phone condition

5 stars

Battery

5 stars

Delivery speed

5 stars

Recycled packaging

5 stars

Frequently Asked Questions

The price of a Galaxy S21 Plus 5G in the UK varies based on the model and storage capacity. At The Big Phone Store, we offer competitive prices on refurbished and new models, ensuring you get the best value for your money. Check our Galaxy S21 Plus 5G page for the latest pricing and deals.

The Galaxy S21 Plus 5G comes in two storage options: 128GB and 256GB. The size of the Galaxy S21 Plus 5G features a 6.7 Dynamic AMOLED 2x touch screen, providing an immersive and high-quality viewing experience.

The Big Phone Store offers some of the best prices for the Galaxy S21 Plus in the UK. Visit our website to explore our Galaxy S21 Plus 5G range and find the best price available. Feel good about saving money on refurbished mobile phones while doing your part for the planet!

At The Big Phone Store, we pride ourselves on offering the cheapest deals on mobile phones and the Galaxy S21 Plus. We regularly compare our prices with competitors to ensure we provide mobile phones at the most competitive rates. Check our Galaxy S21 Plus deals page for the latest offers.

The Galaxy S21 Plus is available in a variety of colour options, including Phantom Violet, Phantom Grey, Phantom White, Phantom Pink, Phantom Black, and Phantom Silver. Visit our website to see the current availability of each colour option.

The Big Phone Store offers the best deal on the Galaxy S21 Plus due to our commitment to sustainable products and competitive pricing. Our refurbished models undergo rigorous testing to ensure quality, and our price comparison tool guarantees you get the best value. Purchasing from us supports eco-friendly practices by reducing electronic waste.

The Big Phone Store is the best site to buy Galaxy S21 Plus 5G unlocked SIM-free and unlocked mobiles. We offer a wide selection of models at competitive prices, all of which are thoroughly tested and certified for quality, ensuring the highest standards for our refurbished Samsung phones. Enjoy the freedom of choosing your network with our refurbished unlocked Galaxy devices.

While prices for new technology typically drop over time, The Big Phone Store constantly monitors market trends to offer the best prices on the Galaxy S21 Plus. Keep an eye on our Galaxy S21 Plus page for potential price reductions and special promotions.

The Galaxy S21 Plus was officially released and went on sale on January 29th, 2021. For current availability and pricing, visit our Galaxy S21 Plus Page.