Refurbished Samsung Galaxy S20 Ultra 5G

Buy a refurbished Samsung Galaxy S20 Ultra SIM-free with 85%+ battery health, 12-month warranty, 45-day returns and fast UK delivery.

Refurbished Samsung Galaxy S20 Ultra 5G

Sorry, all Samsung Galaxy S20 Ultra 5Gs are currently out of stock ☹️

Overview

Buy a Refurbished Samsung Galaxy S20 Ultra SIM-Free

Let's be straightforward about something. The S20 Ultra is not a new phone. But here's what it is — a device that arrived with ambitions so high that even now, years later, it still delivers an experience that most people would find genuinely impressive. Samsung swung big with the S20 Ultra. A 108-megapixel camera when that felt almost absurd. 100x Space Zoom that made people stop and stare. A vast display with a 120hz refresh rate that felt ahead of its time.

It had its growing pains early on. But time — and software updates — ironed those out long ago. What remains is a powerful, capable, characterful flagship that costs a fraction of what it once did.

Every refurbished S20 Ultra we sell at The Big Phone Store is tested and graded in-house — data-wiped, battery checked, unlocked and covered by a 12-month warranty. Ambitious then. Exceptional value now.

What you get, at a glance

  • Network: SIM-free and unlocked for compatible UK networks

  • Testing: 90+ point quality check before dispatch

  • Battery health: Minimum 85% as standard

  • Like New battery: 100% guaranteed battery health

  • Warranty: 12 months included

  • Returns: 45-day returns process

  • Delivery: Free UK delivery over £30, free fast delivery over £150

  • Preparation: Tested, graded, data-wiped and dispatched in-house

Direct answer: Is a reconditioned Samsung Galaxy S20 Ultra worth it?

Yes. A reconditioned Samsung Galaxy S20 Ultra is worth it if you want a very large Samsung screen, 5G, a high-detail camera and Ultra-style features for a much lower price. It is a smart buy for shoppers who care about savings and practical value. Testing, battery checks, warranty and returns make it safer than buying used privately.

Why Buy from The Big Phone Store?

The Galaxy S20 Ultra is ideal for buyers who want more phone for less money. You get a once-premium Samsung model at a far lower refurbished price, while also helping reduce electronic waste. The Big Phone Store has specialised in refurbished, recycled and reused electronics since 1999.

  • Experience: Refurbishing electronics since 1999 - You buy from a long-standing specialist

  • Trust: 4.8 Trustpilot rating with 80,000+ reviews - You can see proof from real UK shoppers

  • Security: Data-wiped and history checked, including CheckMEND where relevant - Lower risk than a private sale

  • Quality: 90+ point quality check - Core features are tested before dispatch

  • Support: UK-based customer support - Help is available if you need it

  • Sustainability: WEEE-certified recycler - Your upgrade helps reduce electronic waste

  • Stock: Website stock means it is actually in stock - No false availability

  • Device quality: OEM-quality parts or higher where parts are used - Repairs are handled to a proper standard

Key Features That Matter Day to Day

  • 6.9-inch Dynamic AMOLED 2X display: A huge, sharp screen for films, games, browsing, maps and reading.

  • 120Hz refresh rate: Smooth scrolling makes the phone feel quicker and more modern in daily use.

  • Exynos 990 processor: Strong enough for everyday apps, media, shopping, banking, maps and multitasking.

  • 108MP quad camera system: Capture detailed photos with wide, ultra-wide, zoom and depth support.

  • 48MP periscope telephoto camera: Useful for distant shots, events, travel and detail photos.

  • 40MP front camera: Sharp selfies and clear video calls.

  • 5,000mAh battery: Large capacity for daily use, with battery health checked before dispatch.

  • 5G connectivity: Fast mobile data on compatible UK networks.

  • microSD support: Expand storage with a compatible memory card, useful if you take lots of photos or videos.

Refurbished vs Used Samsung Galaxy S20 Ultra

A refurbished Samsung Galaxy S20 Ultra is professionally prepared before sale. A typical used Samsung Galaxy S20 Ultra from a private seller may look cheap, but it can come with unknown battery health, unclear history and no useful warranty.

Professionally Refurbished

Typical Used Phone

90+ point testing before dispatch

May only be briefly checked

Minimum 85% battery health

Battery health may be unknown

Professionally data-wiped

Data removal may not be complete

12-month warranty included

Usually no warranty

Clear cosmetic grade

Condition can be unclear

Network and history checks completed

Hidden finance or network risk may remain

Direct answer: Is refurbished safer than buying used privately?

Yes. Refurbished is usually safer because the phone is tested, graded, data-wiped and sold with a warranty and returns process. A private used Samsung Galaxy S20 Ultra may look like the cheapest option, but you often lose battery checks, support, history checks and a clear route back if something goes wrong.

Condition Grades Explained

Every refurbished Samsung Galaxy S20 Ultra we sell is fully functional. The grade describes cosmetic condition, not performance.

  • Like New: Best for the cleanest look and 100% guaranteed battery health

  • Pristine: Best for excellent condition with very light signs of use

  • Very Good: Best for smart savings with minor cosmetic marks

  • Good: Best for the lowest price if visible wear does not bother you

"The S20 Ultra's early camera software struggled to match the hardware's potential. The version shipping on refurbished devices today is a world away from what reviewers tested at release. If you read a critical early review of the S20 Ultra's camera, know that you're buying a significantly better phone than the one they tested." - The Big Phone Store Technical Team

Battery Health and Everyday Use

Every refurbished Samsung Galaxy S20 Ultra comes with at least 85% battery health as standard. This is especially important on older models, where a private-sale phone may have a tired battery with no proper test result.

Choose a Like New Samsung Galaxy S20 Ultra if you want 100% guaranteed battery health. This is the best option if you use your phone heavily for video, maps, photos, work calls, social media or long days away from a charger.

Direct answer: What battery health will I get?

You will get at least 85% battery health as standard. If you choose a Like New refurbished Samsung Galaxy S20 Ultra, you get 100% guaranteed battery health. For older Ultra models, Like New is the strongest choice if battery life matters most.

How We Test Each Device

A cheap Samsung Galaxy S20 Ultra usually reflects condition grade, storage, colour or a current offer, not weak functionality. Each device is checked before dispatch so you can get a very low price without accepting private-seller uncertainty.

Testing includes:

  • Battery health and charging

  • Display and touchscreen

  • Fingerprint and face recognition

  • Rear and front cameras

  • Speakers and microphones

  • Buttons and haptics

  • Wi-Fi, Bluetooth and mobile signal

  • USB-C port, sensors and core functions

Three quality checks buyers rarely see anywhere else

  • Network and history checks: We complete checks, including CheckMEND where relevant, to reduce hidden-device risk.

  • Part-quality review: Where parts are used, we use OEM-quality parts or higher.

  • In-house control: Devices are tested, graded and dispatched by our own team, not passed through an unknown chain.

Technical Specifications

Specification

Samsung Galaxy S20 Ultra Detail

Benefit

Display

6.9-inch Dynamic AMOLED 2X

Huge screen for films, games and browsing

Resolution

1440 x 3200 pixels

Crisp detail for photos, text and video

Refresh rate

Up to 120Hz

Smooth scrolling and app movement

Chip

Exynos 990, UK model

Strong everyday flagship performance

Storage

128GB or 512GB, plus microSD support up to 1TB

More room for photos, videos and files

Rear camera

108MP wide, 48MP periscope telephoto, 12MP ultra-wide, DepthVision

More camera flexibility at a low price

Video

Up to 8K recording

High-detail video capture

Front camera

40MP

Sharp selfies and clear video calls

Battery

5,000mAh

Large capacity for daily use

Charging / port

USB-C, wired and wireless charging support

Modern charging options

Connectivity

5G, Wi-Fi 6, Bluetooth 5.0, NFC

Fast networks and easy payments

What Comes in the Box?

Your order includes:

  • Refurbished Samsung Galaxy S20 Ultra handset

  • Charging cable

  • Sustainable packaging

  • Warranty support

  • SIM tool where applicable

A plug is only included if stated on the listing. This helps reduce unnecessary electronic waste and avoids sending chargers many buyers already own.

Reconditioned Samsung Galaxy S20 Ultra vs Samsung Galaxy S21 Ultra

Feature

Samsung Galaxy S20 Ultra

Samsung Galaxy S21 Ultra

Display

6.9-inch QHD+ AMOLED

6.8-inch QHD+ AMOLED

Processor

Exynos 990

Exynos 2100

Main camera

108MP quad camera

108MP quad camera

Battery

5,000mAh

5,000mAh

Storage

microSD support on selected models

No microSD support

Best for

Lowest-cost Ultra feel and expandable storage

Newer Ultra performance and camera tuning

Choose the refurbished Samsung Galaxy S20 Ultra if you want the lowest-cost way into a Samsung Ultra-style phone with a huge display, 5G, 108MP camera and expandable storage. Choose the Galaxy S21 Ultra if you want a newer processor and later-generation Ultra refinements.

Warranty, Delivery and Returns

Benefit

Detail

Warranty

12-month warranty as standard

Warranty upgrades

Upgrade to 2 years, 5 years or lifetime where available

Returns

45-day returns process

Standard delivery

Free UK delivery over £30

Fast delivery

Free fast delivery over £150

Support

UK-based support from real people

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 S20 Ultra 5G you want, take a look at the reviews our customers have left for us.

4.9 stars 4.9/5
Based on 11 customer reviews
m
martin 7 months ago
5 stars

I am super happy with my Samsung Galaxy S20 Ultra! It looks like brand new, totally shocked by the great condition. The phone is fast and takes amazing pictures. Got great value for the price too! Ordering was easy, delivery was quick, and customer service was friendly. Would buy refurbished again for sure!

Value for money

5 stars

Overall performance

5 stars

Phone condition

4 stars

Battery

5 stars

Delivery speed

5 stars

Recycled packaging

5 stars
F
Fiona 1 year ago
5 stars

I love my Galaxy S20 Ultra! It came in fantastic condition, like brand new. The HD screen protector was easy to apply and now my screen looks great. I’m so happy with my purchase from The Big Phone Store. Their delivery was also quick and smooth. Highly recommend!

Value for money

4 stars

Overall performance

5 stars

Phone condition

4 stars

Battery

5 stars

Delivery speed

5 stars

Recycled packaging

5 stars
S
Sol 1 year ago
5 stars

I love my Galaxy S20 Ultra! It's fast and awesome for taking pictures. The staff at The Big Phone Store were super helpful when I had questions. The phone arrived quickly and looked almost like new. I've definitely gotten my money's worth!

Value for money

5 stars

Overall performance

5 stars

Phone condition

4 stars

Battery

4 stars

Delivery speed

5 stars

Recycled packaging

5 stars

Frequently Asked Questions

Yes. It is SIM-free and unlocked for compatible UK networks, so you can use your current SIM or choose a SIM-only deal.

Yes. It is a very strong value choice because you get a huge AMOLED display, 5G, 108MP camera, large battery and Ultra-style features at a much lower refurbished price.

Yes. It is one of the cheapest ways to get a Samsung Ultra-style phone with a large screen, high-detail camera, long zoom features and premium design.

Yes. It has a 108MP quad rear camera system with ultra-wide, periscope zoom and depth support, making it strong for travel, events, portraits and detailed photos.

Yes. Older refurbished flagships can offer excellent value because they still have useful premium hardware, while costing much less than newer models. Reusing a phone also helps reduce e-waste.

Yes. The Galaxy S20 Ultra supports microSD cards up to 1TB, which is useful if you store lots of photos, videos, music or files.

Yes. Lower prices usually reflect grade, storage, colour or current offers. Functionality is still checked before dispatch.

Delivery depends on the option chosen at checkout. Free UK delivery is available over £30, with free fast delivery over £150.