Verified
A bit disappointed
Took ages to turn up and wasn't quite the condition I imagined. Still does the job, I suppose.
Joshua W. · Los Angeles, CA · 19 April 2025
Phones
Samsung
Galaxy S21 Ultra 5G 128GB
£280.49£1149.00-76%
1
Colour: Phantom Black
Condition
90-point MoboCheck®
12-month guarantee
Free 30-day returns
5 trees planted
Galaxy S21 Ultra 5G 128GB
Phantom Black / Premium
£280.49Was £1149.00
Save £868.51 (76%)
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 128GB storage and massive 5000mAh battery
Specifications
| Brand | Samsung |
|---|---|
| Model | Galaxy S21 Ultra 5G |
| Display | 6.8-inch Dynamic AMOLED 2X, 120Hz |
| Chip | Exynos 2100 / Snapdragon 888 |
| Rear camera | 108MP main + 12MP ultrawide + 10MP + 10MP telephoto |
| Front camera | 40MP |
| Battery | 5000mAh |
| Operating system | Android 11 (upgradeable) |
| Connectivity | 5G, Wi-Fi 6E, Bluetooth 5.0, NFC |
| Water resistance | IP68 |
| Released | 2021 |
| Storage | 128GB |
| Condition | Premium |
| Colours | Phantom Black, Phantom Brown, Phantom Navy, Phantom Silver, Phantom Titanium |
Customer reviews
4.0
10 reviews
5
3
4
5
3
1
2
1
1
0
Verified
As good as new
First time buying second-hand tech and I'm completely won over. Nice to know I'm keeping it out of landfill too.
Brandon P. · Austin, TX · 21 December 2025
Verified
No complaints
Honestly thought there'd be a catch, but it's lovely. Turned up quicker than I expected as well. Will be back for sure.
Michael S. · Edinburgh · 4 February 2026
Verified
Happy with it
First time buying second-hand tech and I'm completely won over. Turned up quicker than I expected as well. Would buy from here again in a heartbeat.
Aaron J. · Sheffield · 6 March 2026
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.
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.
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
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