Phones

Samsung

Galaxy S21 Ultra 5G 256GB

£324.49£1199.00-73%
1

Colour: Phantom Brown

Condition

90-point MoboCheck®
12-month guarantee
Free 30-day returns
5 trees planted

Galaxy S21 Ultra 5G 256GB

Phantom Brown / Premium

£324.49

Save £874.51 (73%)

Description

  • Quad-camera system with 108MP main sensor and 100x Space Zoom
  • S Pen compatible — add a stylus to the versatile Ultra experience
  • Save up to 81% versus buying new
  • MoboCheck® certified — passes our rigorous 90-point check
  • We plant 5 trees and offset the lifetime CO₂ of every device
  • Premium Condition with 256GB storage and massive 5000mAh battery

Specifications

BrandSamsung
ModelGalaxy S21 Ultra 5G
Display6.8-inch Dynamic AMOLED 2X, 120Hz
ChipExynos 2100 / Snapdragon 888
Rear camera108MP main + 12MP ultrawide + 10MP + 10MP telephoto
Front camera40MP
Battery5000mAh
Operating systemAndroid 11 (upgradeable)
Connectivity5G, Wi-Fi 6E, Bluetooth 5.0, NFC
Water resistanceIP68
Released2021
Storage256GB
ConditionPremium
ColoursPhantom Black, Phantom Brown, Phantom Navy, Phantom Silver, Phantom Titanium

Customer reviews

4.4

17 reviews

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9
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Verified

Five stars

Can't believe the state of it for a refurb, basically mint. Reassuring that it'd been properly checked over first.

Daniel L. · Glasgow · 11 December 2025

Like new

Arrived in premium condition just like it said — maybe even better. That 90-point check they do really put my mind at ease. Will be back for sure.

Dylan K. · Bristol · 1 July 2025

Verified

Really pleased

That 90-point check they do really put my mind at ease. Came really well packaged and looked even better than the photos. Made a believer out of me.

Liam A. · Cardiff · 11 May 2025

Verified

Exactly as described

Looks and feels brand new, properly impressed. Best bit of money I've spent in ages, honestly.

Rachel F. · Dallas, TX · 16 July 2025

What's in the box

Everything your device needs to get going — and nothing it doesn't.

Your device

Reset, certified and graded — ready to set up the moment it lands.

Charging cable

A compatible charging cable to get you powered straight up.

SIM ejector tool

For popping your SIM in and getting connected in seconds.

Recyclable packaging

Plastic-free packaging that protects your device and the planet.

No mains plug, by design — it keeps the price down and saves needless plastic. Any extra accessories are listed on the product above.

What we check — the 90-point MoboCheck®

Before any device reaches you, our engineers run the same 90-point diagnostic across six areas — testing what you can see and everything you can't.

Functionality

20 checks

The everyday essentials — every button, radio, and port confirmed working.

Security & data wipe

12 checks

We arrive at a clean, safe device with no trace of a previous owner.

Sensors & hardware

18 checks

The hidden sensors that make a phone feel right, each tested in turn.

Screen & display

15 checks

We look closely at the part you'll stare at most.

Battery health

10 checks

Honest battery health, so there are no surprises after day one.

Cosmetics & authenticity

15 checks

Graded fairly on looks, and confirmed genuine inside and out.

See all 90 checks

Buying with confidence

12-month guarantee

Every device is covered for a full year. If a genuine fault appears we'll repair, replace or refund it — accidental damage and normal wear aside.

Free 30-day returns

Changed your mind? Send it back within 30 days, reset and as received, for a full refund — no questions asked.

Free tracked UK delivery

Dispatched within 1–2 working days and sent fully tracked, with updates by email until it reaches your door.

Read our full delivery & returns policy

Every order makes a difference

Choosing refurbished keeps working tech in use and out of landfill — kinder to your wallet and the planet alike.

5 trees

Planted to help offset every phone we sell

Less e-waste

Working tech kept out of landfill

Lower CO₂

A fraction of the carbon of making new

Reused

Valuable materials given a second life

Why buy refurbished from MoboSale

Save more, not less

Refurbished phones costs far less than buying new — often hundreds less — for a device that performs just like it.

Certified, not just 'used'

Every device passes our rigorous 90-point MoboCheck and ships with a 12-month guarantee. It's science, not guesswork.

Better for the planet

Choosing refurbished keeps working tech in use and out of landfill, sparing the carbon, water and materials a new device would cost.

Understanding our condition grades

We grade every device honestly so you know exactly what to expect. Whichever you choose, it's fully working, certified by our 90-point MoboCheck® and covered by a 12-month guarantee.

Brand New

Factory-sealed and never used — indistinguishable from a shop-bought device, in its original packaging.

Like New

Pre-owned but virtually flawless. No marks you'd notice on the screen or body in everyday use.

Premium

Light, barely-there signs of use — the kind of tiny marks you'd have to hunt for under good light.

Great

Honest everyday wear: minor scratches or scuffs that never affect how it works. Our best value.

Frequently asked questions

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Trusted by 40,000+ happy customers

Certified refurbished tech, backed every step of the way.

90-point MoboCheck®

Every device certified

12-month guarantee

Faults covered, free

Free 30-day returns

Changed your mind? No problem

Free UK delivery

On orders over £400

Secure payments

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