Items
Recent
All guaranteed 100% functional
Compatible charging cable
Refurbished price:£250.00
£1,125.00 newVersus £1,125.00 new
Accessories
4.1/5
Appearance
4.5/5
Battery
4/5
Lens & Camera
4.5/5
Overall performance
4.2/5
Packaging
4.5/5
Shipping
4.6/5
Reviewed 17/04/2026, United Kingdom.
Phone is in excellent condition, much better than i was expecting, I can't find a single scratch on the phone, working great, came well packaged, quick shipping to Ireland, I highly recommend this site 🌟🌟🌟🌟🌟
Galaxy S21 5G 128GB - Purple - Unlocked
Galaxy S21 5G 128GB - Purple - Unlocked
Condition
Fair
Purchased
14/04/2026
Reviewed 12/04/2026, United Kingdom.
Nice phone nice quality nice delivery, 90% batrie
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - Unlocked
Condition
Good
Purchased
31/03/2026
Reviewed 13/12/2025, United Kingdom.
This phone came in excellent condition like they said the quality is just amazing!
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - Unlocked
Condition
Excellent
Purchased
12/12/2025
Reviewed 18/06/2026, United Kingdom.
phone was in great condition looked like a new phone and I liked the colour only draw back was after setting it up had to give it at least 8 software updates now phone is working like it should but I would still buy another phone from this company if I needed one their alot cheaper than some of these shops that sell used phones
Galaxy S21 5G 128GB - Purple - Unlocked
Galaxy S21 5G 128GB - Purple - Unlocked
Condition
Excellent
Purchased
02/06/2026
Reviewed 23/09/2026, United Kingdom.
It's like brand new I couldn't find a single mark. Straight forward to use. The only thing is the battery It's not new didn't have the option at the time so doesn't last long. Overall very pleased definitely recommend Back Market 👍
Galaxy S21 5G 256GB - Grey - Unlocked
Galaxy S21 5G 256GB - Grey - Unlocked
Condition
Fair
Purchased
04/09/2026
Reviewed 01/07/2026, United Kingdom.
Phone was in pristine condition. All working great up to now as well. Fast delivery and quick service.
Galaxy S21 5G 128GB - Pink - Unlocked
Galaxy S21 5G 128GB - Pink - Unlocked
Condition
Premium
Purchased
18/06/2026
Reviewed 15/03/2026, United Kingdom.
Perfect as usual this is the 3rd phone I've bought from backmarket.co.uk S25 ultra for myself, S22 for older granson and the S21 for younger granson and they have all came in amazing condition and work perfectly. I will never again get a phone on contract after learning about backmarket. 🥰👌🥰
Galaxy S21 5G 256GB - Grey - Unlocked
Galaxy S21 5G 256GB - Grey - Unlocked
Condition
Fair
Purchased
28/02/2026
NoFoldable
5GMobile network
Galaxy S21 5GModel
2021Year of Release
YesCompatible with latest Update
169 gWeight
0,79 cmDepth
Dual Physical SIM + eSIMSIM card
1,509SAR body
The Galaxy S21 5G is a reliable smartphone that merges powerful performance with modern design. Released in January 2021, it remains a competitive choice for users seeking a feature-rich device without the latest generation's price tag.
Key features:The Galaxy S21 5G is ideal for tech enthusiasts, professionals, and casual users who want a well-rounded smartphone that excels in photography and performance. It’s especially suited for those who enjoy streaming content and gaming on a vibrant display.
Pros & Cons:| Pros | Cons |
|---|---|
| High-quality display with vibrant colours and deep blacks. | No expandable storage option. |
| Versatile camera system for various photography needs. | Plastic back may not feel as premium as glass alternatives. |
Choosing a refurbished Galaxy S21 5G allows you to enjoy a high-performing smartphone while being eco-conscious. Each device undergoes rigorous testing to ensure quality and reliability. Learn more about our quality standards.
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