Galaxy A31Blue • 128 GB • Dual Physical SIM

(328 reviews)

£163.00

before trade-in

Save £121.29

Galaxy A31Blue • 128 GB • Dual Physical SIM

(328 reviews)

£163.00

before trade-in

Save £121.29

Free delivery by 29 - 30 Oct

Express delivery by 28-29 Oct from £5.00

Restored professionally

Based on up to 100-points of inspection

Select the condition

All guaranteed 100% functional

Select the condition

Fair Sold out
Good £129.00
Excellent £163.00
Popular

Select storage

Select storage

128 GB £163.00

Select SIM type

Select SIM type

Dual Physical SIM £163.00
2 physical slots
Physical SIM £145.00
1 physical SIM

Select the colour

Black £198.00
Blue £163.00

Galaxy A31

Excellent
128 GB
Dual Physical SIM
Blue

£163.00

before trade-in

applies (starting at £0.49)

Save £121.29

Proudly refurbished by GSM TECH COM LIMITED

Free delivery by 29 - 30 Oct

Express delivery by 28-29 Oct from £5.00

Comes with

Compatible charging cable

Customer reviews for Galaxy A31

Overall rating

328 verified reviews

Rating 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

Sacha G.
Verified purchase
Reviewed 29/03/2026, United Kingdom.
Excellent 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
Mia P.
Verified purchase
Reviewed 10/11/2024, United Kingdom.
Phone 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
Stephen J.
Verified purchase
Reviewed 20/02/2025, United Kingdom.
Fantastic, looks and works as new. Delivered in 2 days, Brilliant as always.
Galaxy A31 128GB - Black - Unlocked
Galaxy A31 128GB - Black - Unlocked
Condition
Excellent
Purchased
29/01/2025
Marion A.
Verified purchase
Reviewed 27/11/2020, United Kingdom.
Really happy about my new phone, the delivery was fast. The box was a bit damaged but I guess it's because it reconditioned. The product is in perfect condition, it is delivered with a charger, a phone case and earphones. I recommend buying on BackMarket!
Galaxy A31 128GB - Black - Unlocked - Dual-SIM
Galaxy A31 128GB - Black - Unlocked - Dual-SIM
Condition
Excellent
Purchased
14/11/2020
Sacha G.
Verified purchase
Reviewed 08/10/2023, United Kingdom.
Excellent quality, fast delivery, second time I have used Back Market and always impressed with service.
Galaxy A31 64GB - White - Unlocked
Galaxy A31 64GB - White - Unlocked
Condition
Excellent
Purchased
26/09/2023
Mildred F.
Verified purchase
Reviewed 28/09/2023, United Kingdom.
fantastic
Galaxy A31 64GB - Black - Unlocked
Galaxy A31 64GB - Black - Unlocked
Condition
Excellent
Purchased
28/08/2023
Claudio S.
Verified purchase
Reviewed 17/08/2025, Italy.
I 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

Everything you ever wanted to know about the Galaxy A31

Durability
Overall performance
Camera
Screen quality

0,86 cmDepth
Samsung Galaxy ASerie
UnlockedCarrier compatibility
7,31 cmWidth
1080 x 2400Resolution
4 GBMemory (GB)
Super AMOLEDScreen type
SamsungBrand
Dual Physical SIMSIM card

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.

Who is this for?

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.

Depth: 0,86 cm
Serie: Samsung Galaxy A
Carrier compatibility: Unlocked
Width: 7,31 cm
Resolution: 1080 x 2400
Memory (GB): 4 GB
Screen type: Super AMOLED
Brand: Samsung
SIM card: Dual Physical SIM
Weight: 185 g
Model: Galaxy A31
Colour (official name): Prism Crush Blue
Main camera: 48 megapixels
Front camera: 20 megapixels
Storage: 128 GB
Manufacturer Ref: SM-A315F/DS
SAR body: 1,68
OS: Android
Screen size (in): 6.4
Compatible with latest Update: No
Height: 15,93 cm
SD Card Slot: microSDXC
Mobile network: 4G
SAR head: 0,488
Colour: Blue
Connector: USB-C + Jack 3.5mm
Year of Release: 2020
Camera Type: Quadruple (4x)
Foldable: No

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Galaxy A31Blue • 128 GB • Dual Physical SIM

Galaxy A31Blue • 128 GB • Dual Physical SIM