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Galaxy M21
Customer reviews for Galaxy M21
Overall rating
4.4/54.4/521 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
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
See itemCondition
Good
Purchased
25/10/2024
Sana M.
Verified purchaseReviewed 11/03/2026, United Kingdom.
3.8/5
Galaxy M21 64GB - Green - Unlocked
See itemCondition
Good
Purchased
20/02/2026
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
See itemCondition
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
See itemCondition
Good
Purchased
05/08/2026
Laurence G.
Verified purchaseReviewed 28/12/2025, France.
5/5Galaxy M21 64 Go - Bleu - Débloqué
See itemCondition
Fair
Purchased
18/12/2025
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
See itemCondition
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
See itemCondition
Fair
Purchased
01/04/2024
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Everything you ever wanted to know about the Galaxy M21
Durability
Overall performance
Camera
Screen quality
Physical SIMSIM card
microSDXCSD Card Slot
BlackColour
1080 x 2340Resolution
2020Year of Release
4GMobile network
NoFoldable
20 megapixelsFront camera
4 GBMemory (GB)
The Galaxy M21 is a reliable smartphone that combines essential features with a user-friendly experience. Released in March 2020, this model is designed for users who need a dependable device for everyday tasks without the need for high-end specifications.
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
- Connectivity: 4G compatible, providing reliable connectivity for browsing and streaming.
The Galaxy M21 is ideal for students, casual users, and anyone looking for a smartphone that covers basic needs such as social media, browsing, and photography. It is well-suited for users who do not require the latest features but still want a solid device.
Pros & Cons:| Pros | Cons |
|---|---|
| Vibrant Super AMOLED display for an enjoyable viewing experience. | Performance may lag during intensive multitasking. |
| Decent camera quality for everyday photography. | No 5G support, limiting future-proofing. |
Why refurbished?
Choosing a refurbished Galaxy M21 allows you to access a reliable smartphone while being eco-conscious. Back Market ensures that all devices undergo strict quality checks to guarantee performance and condition. Learn more about our quality standards.
- SIM card
- Physical SIM
- SD Card Slot
- microSDXC
- Colour
- Black
- Resolution
- 1080 x 2340
- Year of Release
- 2020
- Mobile network
- 4G
- Foldable
- No
- Front camera
- 20 megapixels
- Memory (GB)
- 4 GB
- Model
- Galaxy M21
- Screen size (in)
- 6.4
- Manufacturer Ref
- SM-M215F
- Compatible with latest Update
- No
- OS
- Android
- Serie
- Samsung Galaxy M
- Storage
- 64 GB
- Screen type
- Super AMOLED
- Carrier compatibility
- Unlocked
- Colour (official name)
- Raven Black
- Main camera
- 48 megapixels
- Weight
- 188 g
- Brand
- Samsung
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