United States
English (US)

Accessories
3.9/5
Appearance
4.4/5
Battery
4.2/5
Lens & Camera
4.3/5
Overall performance
4.1/5
Packaging
4.3/5
Shipping
4.5/5
Reviewed 30/10/2023, United Kingdom.
Phone physically in perfect condition, looks amazing. Software is a little iffy though, it periodically crashes and restarts and sometimes I'm not doing anything so I think it is unlikely user caused (I have left the phone on, not in an app on a desk and it has crashed) I also owned this exact model previously and I never had this issue with one I bought brand new.
Galaxy M31 64GB - Black - Unlocked
See itemCondition
Excellent
Purchased
16/10/2023
Reviewed 29/11/2023, United Kingdom.
The M31 phone was delivered quicker than I expected and looks brand new, One problem is that it is set up for India so needs to be changed. I was unablle to copy tht data from my old phone to the M31 using Smart SSwitch as I kept getting the message they weren't connecting wirelessly so I've ordered a USB-C to USB-C connetor. This didn't work either so I copied the data from my old phone via a datacard. Thought the M31 phone loks and works well there was no instruction leaflet as you would get with a new phone. In fact no documentation was provided at all.
Galaxy M31 64GB - Black - Unlocked
See itemCondition
Excellent
Purchased
17/11/2023
Reviewed 29/08/2024, United Kingdom.
Excellent battery life. Decent camera. Very satisfied with this phone, mainly because of the battery, usually lasts two full days.
Galaxy M31 64GB - Red - Unlocked
See itemCondition
Good
Purchased
04/03/2024
Reviewed 16/08/2023, United Kingdom.
Superb battery life - my husband has this phone so I knew that already. Useful having the same model but as usual full of 'clever' features that are mostly unnecessary.
Galaxy M31 64GB - Blue - Unlocked
See itemCondition
Excellent
Purchased
30/07/2023
Reviewed 05/10/2023, United Kingdom.
All going well so far. The battery seems to be holding its charge as extpected. ASk me again in 6 months.
Galaxy M31 64GB - Blue - Unlocked
See itemCondition
Excellent
Purchased
20/09/2023
Reviewed 23/11/2022, United Kingdom.
Immaculate unmarked M31 with good battery which arrived quickly. Very pleased with it!
Galaxy M31 64GB - Red - Unlocked
See itemCondition
Excellent
Purchased
13/11/2022
Reviewed 18/10/2022, United Kingdom.
Phone is terrible! I cant even get through setup with it turning itself off multiple times. Will be returning
Galaxy M31 128GB - Blue - Unlocked - Dual-SIM
See itemCondition
Good
Purchased
15/10/2022
USB-C + Jack 3.5mmConnector
64 megapixelsMain camera
NoCompatible with latest Update
6 GBMemory (GB)
0.48SAR head
32 megapixelsFront camera
Ocean blueColour (official name)
64 GBStorage
Triple (3x)Camera Type
The Samsung Galaxy M31 is a versatile smartphone that provides a solid balance of performance and features. Launched in February 2020, it remains a reliable choice for users looking for a dependable device for everyday tasks.
Key features:The Samsung Galaxy M31 is ideal for students, casual users, and those who enjoy photography without needing the latest flagship features. Its large display and robust camera system make it suitable for media consumption and social media sharing.
Pros & Cons:| Pros | Cons |
|---|---|
| Large and vibrant display for an immersive viewing experience. | Performance may lag with heavy multitasking. |
| Versatile camera system for various photography needs. | Plastic build may not feel as premium as other models. |
Choosing a refurbished Samsung Galaxy M31 allows you to enjoy a quality smartphone while being environmentally conscious. Each device is rigorously tested to ensure it meets Back Market's high standards for quality and reliability. Learn more about our quality standards.





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