Free delivery by 11 - 12 Nov
Express delivery by 10-11 Nov from €5.00
Choose location
Items
Suggested searches
Recent
Popular searches
Popular searches
All guaranteed 100% functional
1 / 3.
1 / 3.
Galaxy S21 5G
- Fair
- 256 GB
- Dual Physical SIM + eSIM
- White
€259.00
Save €540.00
Proudly refurbished by Foxway (Estonia)
Free delivery by 11 - 12 Nov
Express delivery by 10-11 Nov from €5.00
Comes with
Compatible charging cable
Often bought together
Galaxy S21 5G
White • 256 GB • Dual Physical SIM + eSIM
Refurbished price:€259.00
€799.00 newVersus €799.00 new
Total price: €278.99
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
Fiona M.
Verified purchaseReviewed 10/02/2025, Ireland.
5/5I can noy fault my experience with Back Market. I ordered the phone at 8.30 am on thursday and it was delivered to Ireland by 12pm on the Friday, the next day. The phone is perfect. Amazing quality. I will definitely buy more.
Galaxy S21 5G 256GB - Purple - Unlocked
Galaxy S21 5G 256GB - Purple - Unlocked
Condition
Excellent
Purchased
30/01/2025
Liam D.
Verified purchaseReviewed 12/08/2024, Ireland.
5/5Excellent all around. Site was easy to use and kept me informed of postal delivery etc. I got two o hones and they are both excellent. The description was right on the mark and I will be definitely using thus site again.
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - Unlocked
Condition
Excellent
Purchased
29/07/2024
Craig W.
Verified purchaseReviewed 26/05/2025, Ireland.
5/5Arrived fast, exactly as it was described.
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - Unlocked
Condition
Excellent
Purchased
10/05/2025
Zinta N.
Verified purchaseReviewed 13/01/2025, Ireland.
4.9/5Phone is nice , issue is no all languages looks like Chinese stile but for what need I can use it
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - Unlocked
Condition
Excellent
Purchased
04/01/2025
Ciara C.
Verified purchaseReviewed 08/09/2025, Ireland.
1/5Paid for a premium refurbished unlocked phone. When the phone came it was locked to another network. I had to return the phone leaving me with no phone for some days. I was not impressed. Will not use this site again.
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - Unlocked
Condition
Excellent
Purchased
27/08/2025
James F.
Verified purchaseReviewed 15/12/2024, Ireland.
4.9/5I'm very happy with my purchase it's in mint condition and working perfectly. I would recommend Back Market to anyone
Galaxy S21 5G 128GB - Purple - Unlocked
Galaxy S21 5G 128GB - Purple - Unlocked
Condition
Premium
Purchased
25/11/2024
Elioth N.
Verified purchaseReviewed 15/06/2025, Ireland.
4.6/5Livraison extrêmement rapide (le lendemain de ma commande) et tout à fait satisfaisante. Plusieurs années que je commande sur BackMarket, je n'ai jamais été déçu !
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - Unlocked
Condition
Excellent
Purchased
02/06/2025
Popular searches
Everything you ever wanted to know about the Galaxy S21 5G
Durability
Overall performance
Camera
Screen quality
8 GBMemory (GB)
1,509SAR body
Samsung Galaxy SSerie
NoSD Card Slot
7,12 cmWidth
0,79 cmDepth
10 megapixelsFront camera
SamsungBrand
Phantom whiteColor (official name)
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. Scopri di più sui nostri standard di qualità.
- Memory (GB)
- 8 GB
- SAR body
- 1,509
- Serie
- Samsung Galaxy S
- SD Card Slot
- No
- Width
- 7,12 cm
- Depth
- 0,79 cm
- Front camera
- 10 megapixels
- Brand
- Samsung
- Color (official name)
- Phantom white
- Carrier compatibility
- Unlocked
- Model
- Galaxy S21 5G
- Colour
- White
- SAR head
- 0,456
- SAR body part
- 1,51
- Foldable
- No
- Screen size (in)
- 6.2
- Height
- 15,17 cm
- OS
- Android
- Network
- 5G
- Screen type
- Dynamic AMOLED 2X
- Manufacturer Ref
- SM-G991B/DS
- Resolution
- 1080 x 2400
- Main camera
- 12 megapixels
- Storage
- 256 GB
- Weight
- 169 g
- SIM card
- Dual Physical SIM + eSIM
- Compatible with latest Update
- Yes
- Year of Release
- 2021
Galaxy S21 5G
Related articles
SamsungSamsung Galaxy S23 review: display, design, performance and camera specs | Back Market
SamsungSamsung S10e review – Retro Cool or Just Old? | Back Market
SamsungThe best Samsung phone in 2025 | Back Market
Samsung TabSamsung Galaxy Tab S9 series first look review: which one should you get? | Back Market
SamsungOur review of the Samsung Galaxy A71 | Back Market
SamsungIs the Samsung S9 still a good phone to buy? | Back Market
SamsungSamsung Galaxy S22: Price, Release Date and Technical Specifications | Back Market
Welcome to Back Market
The best prices for high-quality renewed goods by refurbishers we’ve checked and vetted. We don’t mind if you Google us.
Get to know us
- 1-year minimum warranty
- Free delivery on all orders
- Free 30-day returns
- Excellent customer support
product-page-e2e-translation-check-en-ie