Galaxy S21 5GWhite • 256 GB • Dual Physical SIM + eSIM
(19,264 reviews)
£166.00
before trade-in
Save £633.00
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Galaxy S21 5G
- Good
- 256 GB
- Dual Physical SIM + eSIM
- White
£166.00
before trade-in
applies (starting at £0.49)
This is the price of the device when sold new. It’s included to show how much you save when buying refurbished versus new. It reflects either the manufacturer’s original price or the average market price of other distributors today.
Proudly refurbished by Techmanic Store
Free delivery by 22 - 23 Sept
Comes with
Compatible charging cable
Often bought together
Galaxy S21 5G
White • 256 GB • Dual Physical SIM + eSIM
Refurbished price:£166.00
£799.00 newVersus £799.00 new
Total price: £315.00
These items might be sold and delivered by different sellers.
Customer reviews for Galaxy S21 5G
Overall rating
4.3/54.3/519,264 verified reviewsRating details
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
Reviews
Reviews
Al B.
Verified purchaseReviewed 17/04/2026, United Kingdom.
5/5Phone 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
Signs of wear. The body may have a few visible scratches and dents. Items with screens may have light scratches.Purchased
14/04/2026
Kane G.
Verified purchaseReviewed 21/07/2026, United Kingdom.
5/5considering it's fair condition it's still in great condition no problems no scratches or minor damage im amazed by the s21 Samsung next step is to sort out coverage option as i don't want damage to the phone as im very clumsy sometimes great item im very thankful
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - Unlocked
Condition
Fair
Signs of wear. The body may have a few visible scratches and dents. Items with screens may have light scratches.Purchased
13/07/2026
William S.
Verified purchaseReviewed 15/09/2026, United Kingdom.
5/5The phone was excellent, it exceeded my expectations. I previously bought this model from you for my wife and this one is to the same high standard. I'll certainly buy from you again and wholeheartedly recommend you to prospective buyers. A well deserved thanks.
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - Unlocked
Condition
Excellent
Almost no signs of wear. The body may have very light micro-scratches. For items with screens, the screen will have no scratches.Purchased
12/09/2026
Denise R.
Verified purchaseReviewed 18/06/2026, United Kingdom.
5/5phone 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
Almost no signs of wear. The body may have very light micro-scratches. For items with screens, the screen will have no scratches.Purchased
02/06/2026
Matthew S.
Verified purchaseReviewed 26/04/2026, United Kingdom.
4.4/5I was a little nervous to order a refurbished phone but I've gotta say this honestly feels like brand new! There's only minor signs of wear and tear on the main body but other than that it's pretty much perfect!
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - Unlocked
Condition
Excellent
Almost no signs of wear. The body may have very light micro-scratches. For items with screens, the screen will have no scratches.Purchased
13/04/2026
Dawn W.
Verified purchaseReviewed 06/06/2025, United Kingdom.
5/5Fabulous phone, arrived very quickly, chose a refurbished s21 and the condition is amazing I love it I've used back market before and I'll be using it in the future as well as recommending it to everyone I know 👌
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - Unlocked
Condition
Excellent
Almost no signs of wear. The body may have very light micro-scratches. For items with screens, the screen will have no scratches.Purchased
22/05/2025
Jane A.
Verified purchaseReviewed 15/11/2024, United Kingdom.
5/5Thankyou BackMarket you made my purchase thr best decision i have made when it come to choosing my phone. The phone arrived quickly even though it was a refurbished one it looked brand new, the phone was i pristine condition and works perfictly, I would definatly recommend to anyone.
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - Unlocked
Condition
Premium
Close to perfection. The body may have tiny micro-scratches. For items with screens, the screen will be flawless.Purchased
13/09/2024
Popular searches
Everything you ever wanted to know about the Galaxy S21 5G
Durability
Overall performance
Camera
Screen quality
2021Year of Release
Dynamic AMOLED 2XScreen type
1080 x 2400Resolution
10 megapixelsFront camera
1,51SAR body part
1,509SAR body
15,17 cmHeight
YesCompatible with latest Update
12 megapixelsMain camera
The Samsung Galaxy S21 5G is a versatile smartphone that balances performance and premium design. Released in January 2021, it features a sleek body and advanced capabilities, making it a strong contender even against newer models.
Key features:- Release Date: January 2021
- Display: 6.2-inch Dynamic AMOLED 2X, FHD+ resolution
- Processor: Exynos 2100 (International) or Snapdragon 888 (USA)
- Camera: Triple rear cameras with 12MP ultra-wide, 12MP wide, and 64MP telephoto lenses
- Connectivity: 5G compatible for fast internet speeds.
The Samsung Galaxy S21 5G is ideal for users seeking a high-quality smartphone experience without the latest price tag. It caters to professionals, students, and anyone who appreciates a reliable device for everyday use, photography, and streaming.
Pros & Cons:| Pros | Cons |
|---|---|
| Vibrant display with excellent colour accuracy. | No expandable storage option. |
| Solid camera performance in various lighting conditions. | Battery life may not last through intensive use. |
Why refurbished?
Choosing a refurbished Samsung Galaxy S21 5G means getting a high-quality smartphone while being eco-conscious. Each device is thoroughly inspected and tested to meet Back Market’s quality standards, ensuring reliability and performance. Learn more about our quality standards.
- Year of Release
- 2021
- Screen type
- Dynamic AMOLED 2X
- Resolution
- 1080 x 2400
- Front camera
- 10 megapixels
- SAR body part
- 1,51
- SAR body
- 1,509
- Height
- 15,17 cm
- Compatible with latest Update
- Yes
- Main camera
- 12 megapixels
- Weight
- 169 g
- Brand
- Samsung
- Model
- Galaxy S21 5G
- Depth
- 0,79 cm
- Foldable
- No
- SIM card
- Dual Physical SIM + eSIM
- OS
- Android
- Colour
- White
- Screen size (in)
- 6.2
- Storage
- 256 GB
- SD Card Slot
- No
- Carrier compatibility
- Unlocked
- Manufacturer Ref
- SM-G991B/DS
- SAR head
- 0,456
- Colour (official name)
- Phantom white
- Mobile network
- 5G
- Serie
- Samsung Galaxy S
- Width
- 7,12 cm
- Memory (GB)
- 8 GB
Galaxy S21 5G
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