Samsung Galaxy M31 Review

Samsung launched Budget M series smartphone Named Galaxy M31. Samsung Galaxy M31 is priced at 14,999 @ 6GB + 128GB Variant In India.

Galaxy M31 features the Exynos chip from Samsung named Exynos 9611. this chip is made of 10nm LPP (Low Power Plus) FinFet process. this processor is divided into 2 parts; the first part features 4 x A73 High power cores which are clocked at 2.3GHz, The second part features 4 x A53 Low powered cores that are clocked at 1.7 GHz. It has Mali G72 MP3 GPU it has an X12 LTE Modem which has Download and Uploads speeds of 600 & 150MBPS. 

I will divide the review into pros & cons. let’s see quick specs of  
Samsung Galaxy M31and Jump into the review.

Samsung Galaxy M31 Specs

Samsung Galaxy M31 Review m31 im
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  • 6.4” FHD+ Super AMOLED display with Infinity- U notch
  • Protected With Gorilla Glass 3
  • 9611 octa-core CPU
  • Mali G72 MP3 GPU
  • 6 GB ram
  • 64 / 128 GB internal storage / Expandable Storage up to via Micro SD card
  • Dual nano sim slot
  • Triple rear camera 64 MP f/1.8 (Main) + 8MP f/2.2 (Ultra-Wide) + 5 MP f/2.4 (Macro) + 5MP f/2.4 (Depth)
  • Front camera 32MP (f/2.0)
  • 6000 Mah battery with 15W Adaptive Fast charging support
  • Rear Display Fingerprint sensor / Face unlock
  • Bluetooth 5.0 / WiFi / Dolby Atmos
  • Android 10 with One UI 2 on top



 6.4″ Super AMOLED display, good quality FHD+, viewing angles are good very, very bright in sunlight and Smooth. no flaws with the display. the colors are very punchy on this display. 


The Exynos 9611 processor is good for daily usage, it is fast and fluid and Equal to SD 710. this can handle Pubg or Asphalt 9 on medium settings with a minimum frame drops. but the Gameplay seems to be not good. no heating issues

Screen Casting:

It supports for screencasting on Galaxy M31

Dual Volte:

Dual voltage functionality is there on Galaxy M31.


All sensors are present and work very well too on Galaxy M31

One Ui Based On Android 9:

It runs One UI 2 based on Android 10, feels snappy with extra customizable options with Productive Microsoft Apps.

OTG Functionality:

Otg functionality is there, but hard-disk also works.

Screen gestures:

Full-screen gestures are also present on Galaxy M31.

Ram Management:

Ram management, its very good, no reloading of apps. Multitasking is very good.

Celluar Call Quality:

Cellular call quality is good, I did not have any problems with it.


Galaxy M31 has support for dual-band Wi-Fi both 2.4GHz & 5Ghz band.

Headphone Jack & Speaker:

Output via the 3.5mm headphone jack, its good with Dolby Atmos Sound.

The Single speaker system On Galaxy M31, it’s good enough in the single Room and Average in Outdoor conditions and calls on speakerphone are fine.


Galaxy M31’s Battery Life, average battery life. I’m getting 7 hours of sot with 1 day of usage & 2 days with medium usage. it takes 2 hours to fully charge the battery.

Rear Fingerprint Sensor:

The Rear fingerprint sensor is Moderate and very accurate. it does not fail, most of the time it worked.

Face Unlock

Face unlock on Galaxy M31 also works fine. it does not unlock with closed eyes also.

Rear Cameras

  • Rear Triple Camera, it can work like 64MP + 8MP + 5MP + 5MP Cameras. picture quality with the 64 MP Main Camera is awesome with high detail and HDR is perfectly balanced in daylight and a bit average in Lowlight because of f/2.0 Aperture. The Photos with 8MP Ultrawide camera are good in daylight and average in Lowlight. 5MP depth camera gives an excellent portrait effect to the image very well.
  • night mode works A bit Ok on the device. good performance with nice details.
  • when coming to Video Recording it can do up to 4K @ 30fps from the rear. the nice thing is it can shoot 720P & 1080p @ 30fps in ultra-wide, 1080P normal mode with EIS applied. there is Option to shoot Slow motion video at 720P. 

Front Camera

the 32MP Front camera, its good & picture quality is fine. HDR is good too. it can shoot the video at 4K @ 30fps

Photos are good and well detailed. At night conditions the photos look good with good details. video quality is good in daylight and a bit average night time. it can record up to 4K,1080P &720 @ 30FPS. Here there is stabilization in 1080p.


  • Awesome 6.4” Super AMOLED Display with widevine L1 Support
  • Massive 6000 mAh Battey with 15W fast charging
  • All-round Performance for the Price
  • Excellent camera Quality in Daylight and Low Light


  • plastic body and frame 
  • Wide Angle Camera In Low Light Needs Improvement
  • Not Suitable for Gaming

If you are using Samsung Galaxy M31 then Share your experiences with us in the comment section below and Stay tuned to MobiRadar for more Reviews like this

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