Samsung
Choose location
Suggested searches
Items
Suggested searches
Items
Popular searches
Darn, it's out of stock
(for now)
(for now)
Out of stock
Galaxy M21 64GB - Green - Unlocked
is currently unavailable.
(24 reviews)
Customer reviews for Galaxy M21
Overall rating
4.4/54.4/524 verified reviewsRating details
Accessories
3.9/5
Appearance
4.3/5
Battery
4.3/5
Lens & Camera
4.2/5
Overall performance
4.2/5
Packaging
4.3/5
Shipping
4.6/5
Reviews
Reviews
Picaduros D.
Verified purchaseReviewed 23/07/2025, France.
4.5/5A device that "fulfils" my wish of not having a "tablet" in my pocket. Very satisfactory condition even with this correct mention. Really prompt delivery (less than 24 hours!) even though this option was not ticked. Second device ordered from you and still satisfied.
Translated from French
Galaxy M21 64 Go - Bleu - Débloqué
Galaxy M21 64 Go - Bleu - Débloqué
Condition
Fair
Purchased
09/07/2025
Yannick S.
Verified purchaseReviewed 04/09/2026, France.
4.9/5Very satisfied with this phone
Translated from French
Galaxy M21 64 Go - Bleu - Débloqué
Galaxy M21 64 Go - Bleu - Débloqué
Condition
Good
Purchased
05/08/2026
Laurence G.
Verified purchaseReviewed 28/12/2025, France.
5/5Galaxy M21 64 Go - Bleu - Débloqué
Galaxy M21 64 Go - Bleu - Débloqué
Condition
Fair
Purchased
18/12/2025
Lynn H.
Verified purchaseReviewed 10/11/2024, United Kingdom.
4.6/5Easy to use website, lots of choice. Extremely happy with my new refurbished phone, my second one with Backmarket,unfortunately the first refurbished phone I had wouldn't keep its charge,hence this new one.
Galaxy M21 64GB - Black - Unlocked
Galaxy M21 64GB - Black - Unlocked
Condition
Good
Purchased
25/10/2024
Christian M.
Verified purchaseReviewed 26/10/2025, France.
4/5The appliance was fully compliant and the delivery was perfect, with a friendly and flexible driver. Perfect.
Translated from French
Galaxy M21 64 Go - Bleu - Débloqué
Galaxy M21 64 Go - Bleu - Débloqué
Condition
Good
Purchased
10/10/2025
Alice H.
Verified purchaseReviewed 15/04/2024, Germany.
5/5Super condition, like new, everything top. Gladly again at any time.
Translated from German
Galaxy M21 64GB - Blau - Ohne Vertrag
Galaxy M21 64GB - Blau - Ohne Vertrag
Condition
Fair
Purchased
01/04/2024
Françoise L.
Verified purchaseReviewed 28/10/2021, France.
5/5un grand merci, livraison ok, M21 magnifique comme neuf, très beau matériel, pratique et facile a prendre en main, très satisfaite
Galaxy M21 64 Go - Bleu - Débloqué
Galaxy M21 64 Go - Bleu - Débloqué
Condition
Excellent
Purchased
18/10/2021
Popular searches
Everything you ever wanted to know about the Galaxy M21
Durability
Overall performance
Camera
Screen quality
4 GBMemory (GB)
Galaxy M21Model
48 megapixelsMain camera
USB-C + Jack 3.5mmConnector
microSDXCSD Card Slot
GreenColor (official name)
Super AMOLEDScreen type
188 gWeight
1080 x 2340Resolution
The Samsung Galaxy M21 is a reliable smartphone designed for everyday use, featuring a balanced combination of performance and functionality. Launched in March 2020, this device remains a solid choice for users looking for a dependable smartphone without the need for the latest high-end features.
Key features:- Release Date: March 2020
- Display: 6.4-inch Super AMOLED, FHD+ resolution
- Processor: Exynos 9611
- Camera: Triple rear camera setup with 48MP main sensor
- Operating System: Ships with Android 10, upgradable to later versions
The Samsung Galaxy M21 is ideal for students, casual users, and those who need a reliable smartphone for daily tasks such as browsing, social media, and photography. It offers a good balance of features without overwhelming complexity, making it a suitable choice for first-time smartphone users or anyone looking for a straightforward device.
Pros & Cons:| Pros | Cons |
|---|---|
| Vibrant Super AMOLED display for an enhanced viewing experience. | Mid-range processor may struggle with heavy multitasking. |
| Good battery life for extended use. | No 5G support for future-proofing. |
Why refurbished?
Choosing a refurbished Samsung Galaxy M21 allows you to enjoy a reliable smartphone while being eco-conscious. Each device undergoes thorough testing to ensure quality and performance, making it a smart choice for tech-savvy buyers. Learn more about our quality standards.
- Memory (GB)
- 4 GB
- Model
- Galaxy M21
- Main camera
- 48 megapixels
- Connector
- USB-C + Jack 3.5mm
- SD Card Slot
- microSDXC
- Color (official name)
- Green
- Screen type
- Super AMOLED
- Weight
- 188 g
- Resolution
- 1080 x 2340
- Compatible with latest Update
- No
- Serie
- Samsung Galaxy M
- Carrier compatibility
- Unlocked
- Foldable
- No
- Screen size (in)
- 6.4
- Colour
- Green
- Year of Release
- 2020
- OS
- Android
- Storage
- 64 GB
- Front camera
- 20 megapixels
- Manufacturer Ref
- SM-M215F/DS
- Brand
- Samsung
- Network
- 4G
- SIM card
- Physical SIM
Galaxy M21
Related articles
SamsungSamsung Galaxy S22: Price, Release Date and Technical Specifications | Back Market
SamsungSamsung S10e review – Retro Cool or Just Old? | 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 S23 review: display, design, performance and camera specs | Back Market
TabletsThe 7 best refurbished tablets of 2025 | 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