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Galaxy S21 5G
- Good
- 128 GB
- Physical SIM + eSIM
- Grey
€200.60
Save €825.40
Proudly refurbished by MG Trading (Italy)
Free delivery by 4 - 5 Nov
Express delivery by 3-4 Nov from €5.00
Comes with
Compatible charging cable
Often bought together
Galaxy S21 5G
Grey • 128 GB • Physical SIM + eSIM
Refurbished price:€200.60
€1,026.00 newVersus €1,026.00 new
Total price: €221.59
These items might be sold and delivered by different sellers.
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Pairs well with
- 4.1/5 (140)Brand new
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- 4.2/5 (171)Brand new
Refurbished price:€23.99
- 4.3/5 (37)Brand new
Refurbished price:€24.99
- 4.2/5 (5)Brand new
Refurbished price:€17.00
€17.45newVersus €17.45 new
- 2.5/5 (10)Brand new
Refurbished price:€17.95
- Great prices
Customer reviews for Galaxy S21 5G
Overall rating
4.3/54.3/519,382 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
See itemCondition
Excellent
Purchased
30/01/2025
Dolores M.
Verified purchaseReviewed 02/11/2024, Ireland.
5/5Excellent quality and delighted I had the choice of a new battery which is not on offer in other refurb websites I visited. Very happy with my purchase and will be back.
Galaxy S21 5G 128GB - Grey - Unlocked
See itemCondition
Excellent
Purchased
17/10/2024
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
See itemCondition
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
See itemCondition
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
See itemCondition
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
See itemCondition
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
See itemCondition
Premium
Purchased
25/11/2024
Popular searches
Everything you ever wanted to know about the Galaxy S21 5G
Durability
Overall performance
Camera
Screen quality
Physical SIM + eSIMSIM card
SM-G991BManufacturer Ref
YesCompatible with latest Update
1.51SAR body
171 gWeight
8 GBMemory (GB)
Galaxy S21 5GModel
UnlockedCarrier compatibility
0.46SAR head
The Galaxy S21 5G is a flagship smartphone from Samsung, released in January 2021. This model features a sleek design and advanced capabilities, making it suitable for users who appreciate both style and performance.
Key features:- Display: 6.2-inch Dynamic AMOLED 2X, FHD+ resolution
- Processor: Exynos 2100 (or Snapdragon 888, depending on the region)
- Camera: Triple rear cameras with a 12MP ultra-wide, 12MP wide, and 64MP telephoto lens
- Connectivity: 5G compatible for fast data speeds
- Operating System: Ships with Android 11, upgradable to the latest versions
The Galaxy S21 5G is ideal for professionals, content creators, and everyday users looking for a powerful smartphone with a versatile camera system. It suits those who enjoy streaming, gaming, and photography, providing a balanced experience compared to newer models like the Galaxy S22.
Pros & Cons:| Pros | Cons |
|---|---|
| High-quality display with vibrant colours and deep blacks. | No expandable storage option. |
| Solid camera performance in various lighting conditions. | Battery life may not last as long as newer models. |
Why refurbished?
Choosing a refurbished Galaxy S21 5G allows you to access premium features while being environmentally conscious. Each device is rigorously tested to ensure quality and reliability. Learn more about our quality standards.
- SIM card
- Physical SIM + eSIM
- Manufacturer Ref
- SM-G991B
- Compatible with latest Update
- Yes
- SAR body
- 1.51
- Weight
- 171 g
- Memory (GB)
- 8 GB
- Model
- Galaxy S21 5G
- Carrier compatibility
- Unlocked
- SAR head
- 0.46
- Storage
- 128 GB
- Connector
- USB-C
- SD Card Slot
- No
- Color (official name)
- Phantom Gray
- Brand
- Samsung
- Serie
- Samsung Galaxy S
- Camera Type
- Triple (3x)
- Front camera
- 10 megapixels
- Screen type
- Dynamic AMOLED 2X
- Colour
- Grey
- Resolution
- 1080 x 2400
- Foldable
- No
- OS
- Android
- Screen size (in)
- 6.2
- Main camera
- 12 megapixels
- Network
- 5G
- Year of Release
- 2021
Galaxy S21 5G
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