Samsung Galaxy M21 Review

Samsung launched Budget M series smartphone Named Galaxy M21. Samsung Galaxy M21 is priced at 13,999 @ 4GB + 64GB, 15,999 @ 6GB + 128GB Variant In India.

Galaxy M21 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 M21and Jump into the review.

Samsung Galaxy M21 Specs

Samsung Launched Galaxy M21 With 6.44″ SAmoled Display & 6000mAH Battery M21
  • 6.4″ Full HD + (2340 x 1080) Display in 19.5:9 Aspect ratio
  • Exynos 9611 Octa-Core SOC
  • Mali G72 MP3 GPU
  • 4 / 6 GB RAM
  • Nano Sim / Nano Hybrid
  • 64 / 128 GB Internal Storage and Expandable up to 256 GB with Micro SD
  • 48MP F/2.0 PDAF (Main) + 8MP F/2.2 ( UltraWide ) + 5MP F/2.2 ( Depth Sensor) 
  • 20MP F/2.0 Selfie camera
  • Dual 4G Volte
  • 6000 mAH battery with 15W charging support
  • Wifi / Bluetooth 5.0 LE / IR blaster / GPS
  • 3.5mm Jack / USB Type-C



 Galaxy M21 Features a 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. 


Galaxy M21 Features 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 M21, So You Can Mirror Your Smartphone Screen.

Dual Volte:

Dual voltage functionality is there on Galaxy M21.


All sensors are present and work very well too on Galaxy M21

One Ui 3 Based On Android 10:

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 M21.

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 M21 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 M21, it’s good enough in the single Room and Average in Outdoor conditions and calls on speakerphone are fine.


Galaxy M21 Features a Whopping 6000 mAh Battery With 15W Fast Charging. I’m getting 7 hours of sot with 1 day of usage Heavy & 1.5 days with medium usage. Galaxy M21 takes 2 hours 10 Min to fully charge the battery Which Pretty Slow.

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 M21 also works fine. it does not unlock with closed eyes also.

Rear Cameras

Coming to the Camera Department, Galaxy M21 features a Triple Camera setup on the back of the device and a Single camera on the front of the device. they work perfectly in Galaxy M21. let’s divide the cameras and look at the performance of them

48MP Main Camera:

the 48MP main Camera With PDAF is Awesome and features a Fixed Aperture of F/2.0. The daylight pictures are Good and contain good details. Exposure is in control & the Dynamic range is good to take good pictures in Daylight or Good lighting conditions. In low light conditions, the images are good to with Night Mode.

8MP Ultrawide Camera:

the 8MP ultra-wide-angle lens on M21 does an Awesome job in good lighting conditions and features a Fixed Aperture of F/2.2. it captures a much wider picture in a 108˚ field of view with Good details Which is Slightly Lower than the Main Camera. exposure also control with a good dynamic range. In low lighting conditions, the pictures from the 8MP camera are good with Night Mode.

3. Depth Camera:

Galaxy M21 has a 5MP Depth Camera of F/2.2 Which Allows You to Capture Good Portrait Shots.

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. 

20MP Selfie Camera:

Galaxy M21 features a 20MP selfie camera with large 0.8 μm pixel size and 80˚ field of view. it has a fixed aperture of F/2.0. the Picture quality is fantastic and captures pictures in a Wide view in good lighting conditions it also captures equal low-light images compared to the rear camera.

Video recording can be done up to 1080p@30fps with Front Camera. the video footage has awesome Colours with great sharpness and decent dynamic range.


  • Good 6.4” Super AMOLED Display
  • 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 M21 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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