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 A31 128GB - Blue - Unlocked
is currently unavailable.
(328 reviews)
Customer reviews for Galaxy A31
Overall rating
4.5/54.5/5328 verified reviewsRating details
Accessories
4.3/5
Appearance
4.5/5
Battery
4.4/5
Lens & Camera
4.5/5
Overall performance
4.4/5
Packaging
4.5/5
Shipping
4.5/5
Reviews
Reviews
Claudio S.
Verified purchaseReviewed 17/08/2025, Italy.
5/5I got it because my A 31 had problems. I am very satisfied with the choice. Congratulations on the quick delivery.
Translated from Italian
Galaxy A31 128GB - Blu
Galaxy A31 128GB - Blu
Condition
Fair
Purchased
04/08/2025
Sacha G.
Verified purchaseReviewed 29/03/2026, United Kingdom.
4.8/5Excellent quality, fast delivery and outstanding service. Have bought 3 phones through Back Market and each has been brilliant 👏
Galaxy A31 128GB - White - Unlocked
Galaxy A31 128GB - White - Unlocked
Condition
Excellent
Purchased
15/03/2026
Karène C.
Verified purchaseReviewed 02/08/2025, France.
4.9/5Well packaged, received fairly quickly, condition as described
Translated from French
Galaxy A31 128 Go - Noir - Débloqué
Galaxy A31 128 Go - Noir - Débloqué
Condition
Excellent
Purchased
02/07/2025
Clément T.
Verified purchaseReviewed 07/04/2025, France.
4.9/5The phone corresponded perfectly to the advert, no worries, very satisfied. The delivery was also quick.
Translated from French
Galaxy A31 128 Go - Noir - Débloqué
Galaxy A31 128 Go - Noir - Débloqué
Condition
Excellent
Purchased
09/03/2025
Gerti T.
Verified purchaseReviewed 17/02/2025, Austria.
5/5Fast processing, product as expected, works perfectly.
Translated from German
Galaxy A31 64GB - Blau - Ohne Vertrag - Physische Dual-SIM
Galaxy A31 64GB - Blau - Ohne Vertrag - Physische Dual-SIM
Condition
Fair
Purchased
02/02/2025
Sylvie B.
Verified purchaseReviewed 03/12/2024, France.
5/5Telephone received quickly, very good condition. Works perfectly
Translated from French
Galaxy A31 128 Go - Noir - Débloqué
Galaxy A31 128 Go - Noir - Débloqué
Condition
Excellent
Purchased
14/11/2024
Mia P.
Verified purchaseReviewed 10/11/2024, United Kingdom.
5/5Phone in better condition than my other new one! Really fast delivery and love that I didn't have to spend so much on a new phone and also helped the environment, rly cool
Galaxy A31 128GB - Blue - Unlocked - Dual-SIM
Galaxy A31 128GB - Blue - Unlocked - Dual-SIM
Condition
Excellent
Purchased
26/10/2024
Popular searches
Everything you ever wanted to know about the Galaxy A31
Durability
Overall performance
Camera
Screen quality
Quadruple (4x)Camera Type
NoCompatible with latest Update
1080 x 2400Resolution
1,68SAR body
BlueColour
SM-A315F/DSManufacturer Ref
20 megapixelsFront camera
6.4Screen size (in)
Super AMOLEDScreen type
The Galaxy A31 is a versatile 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 reliable smartphone experience.
Key features:- Release Date: March 2020
- Display: 6.4-inch Super AMOLED, FHD+ resolution
- Processor: MediaTek Helio P65
- Camera: Quad-camera system with 48MP main sensor
- Connectivity: 4G compatible for reliable internet access.
The Galaxy A31 is ideal for students, casual users, and anyone seeking a dependable device for social media, browsing, and light gaming. It offers a good balance of features without the complexity of high-end models.
Pros & Cons:| Pros | Cons |
|---|---|
| Vibrant Super AMOLED display for enhanced viewing. | Performance may lag under heavy multitasking. |
| Quad-camera setup for versatile photography. | Limited software updates compared to flagship models. |
Why refurbished?
Choosing a refurbished Galaxy A31 is an eco-friendly option that allows you to enjoy a reliable smartphone without compromising on quality. Each device undergoes thorough testing to ensure it meets high standards. Learn more about our quality standards.
- Camera Type
- Quadruple (4x)
- Compatible with latest Update
- No
- Resolution
- 1080 x 2400
- SAR body
- 1,68
- Colour
- Blue
- Manufacturer Ref
- SM-A315F/DS
- Front camera
- 20 megapixels
- Screen size (in)
- 6.4
- Screen type
- Super AMOLED
- Year of Release
- 2020
- Main camera
- 48 megapixels
- SIM card
- Dual Physical SIM
- Weight
- 185 g
- Brand
- Samsung
- Serie
- Samsung Galaxy A
- Foldable
- No
- Width
- 7,31 cm
- OS
- Android
- Storage
- 128 GB
- Model
- Galaxy A31
- Carrier compatibility
- Unlocked
- Color (official name)
- Prism Crush Blue
- SAR head
- 0,488
- SD Card Slot
- microSDXC
- Depth
- 0,86 cm
- Connector
- USB-C + Jack 3.5mm
- Height
- 15,93 cm
- Network
- 4G
- Memory (GB)
- 4 GB
Galaxy A31
Related articles
SamsungThe best Samsung phone in 2025 | Back Market
SamsungSamsung S10e review – Retro Cool or Just Old? | Back Market
SamsungSamsung Galaxy S23 review: display, design, performance and camera specs | Back Market
SamsungOur review of the Samsung Galaxy A71 | Back Market
Samsung TabSamsung Galaxy Tab S9 series first look review: which one should you get? | Back Market
SamsungIs the Samsung S9 still a good phone to buy? | 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