Engineering:Samsung Galaxy M31

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Short description: Samsung smartphone announced in March 2020
This page is about the 2020 smartphone. For the spiral galaxy with Messier object designation M31, see Andromeda Galaxy.
Samsung Galaxy M31
An oblong rectangular device, some 16 by 7.5 cm in size, resting easily in the palm of an adult hand. The rear of the phone is black and has four camera lenses in the upper left corner, with the name "SAMSUNG" in gray lettering centered near the bottom.
Codenamem315f
BrandSamsung Galaxy
ManufacturerSamsung Electronics
SeriesGalaxy M
ModelSM-M315F
First releasedMarch 5, 2020; 6 years ago (2020-03-05)
PredecessorSamsung Galaxy M30
SuccessorSamsung Galaxy M32
RelatedSamsung Galaxy M30s
Samsung Galaxy M31s
TypeSmartphone
Form factorSlate
Mass191 g (6.7 oz)
Operating systemOriginal:
Android 10, One UI 2
Current:
Android 12, One UI 4.1
System on chipExynos 7 Octa 9611 (10nm Samsung 10LPE)
CPUOcta-core (4x2.3 GHz ARM Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPUARM Mali-G72 MP3
ModemShannon 337 LTE
Memory6 or 8 GB RAM
Storage64 or 128 GB
Removable storagemicroSD card support (dedicated slot)
Battery5830 mAh battery Lithium polymer (non-removable)
Charging15W Samsung Fast Charging
Data inputsTouch Screen, Power Button, Volume Rocker, Fingerprint reader, Depth sensor
Display6.4 in (16 cm) Super AMOLED 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Rear cameraQuad camera setup:
64 MP main camera Samsung ISOCELL GW1
8 MP wide-angle camera
5 MP macro camera
5 MP depth sensor
Other features:
LED flash
4K 60fps video recording
Night mode
Front camera32 MP, 4K 30fps video recording
SoundMono Loudspeaker, Dolby Atmos, 3.5mm stereo audio jack
ConnectivityWi-Fi
Wi-Fi Direct
Wi-Fi Hotspot
Bluetooth 5.0
NFC
SAR0.52 W/kg (head)
0.69 W/kg (body)
(EU)
0.48 W/kg (head)
1.13 W/kg (body)
Websitewww.samsung.com/in/smartphones/galaxy-m/galaxy-m31-blue-64gb-sm-m315fzbdins/
References[1][2]

The Samsung Galaxy M31 is an Android smartphone manufactured by Samsung Electronics as part of the Galaxy M series. It was unveiled on 25 February 2020.[3] Its key features include a 6.4 inch Super AMOLED display, a quad-camera setup and a 6000 mAh battery.

Specifications

Design

The Samsung Galaxy M31 has a plastic unibody design with a glossy gradient finish. On the side frame; there is a power button and a volume rocker at the right, there is a SIM card/microSD card tray at the left, and there is a 3.5 mm headphone jack, a USB-C port, a microphone and a speaker at the bottom. The rear camera setup paired with an LED flash and the capacitive fingerprint reader are located at the back.[4]

The phone has a 6.4 inch Infinity-U display with a U-shaped notch for the front-facing camera and a sizable bottom bezel.[4]

The phone measures 159.2 mm x 75.1 mm x 8.9 mm and weighs 191 grams. It is available in Ocean Blue, Space Black and Red.[5][6]

Hardware

The Samsung Galaxy M31 has a 6.4 inch Super AMOLED display with 1080×2340 pixels resolution,60 Hertz, 19.5:9 aspect ratio and ~403 ppi pixel density.[3] It is powered by Exynos 9611 system-on-chip with an octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) CPU and ARM Mali-G72 MP3 GPU.[7][8][9] It comes with either 6 GB or 8 GB RAM and 64 GB or 128 GB internal storage.[3] It has a 6000 mAh non-removable lithium polymer (Li-Po) battery with 15 W fast charging.[3][5]

Cameras

The Samsung Galaxy M31 has a quad-camera setup with a 64 MP main camera, an 8 MP wide-angle camera, a 5 MP macro camera and a 5 MP depth sensor. It also has a 32 MP front-facing camera. Both the front-facing camera and the main camera can record 4K video at 30 fps.[5]

Software

The Samsung Galaxy M31 comes Android 10 with One UI 2.preinstalled. The phone also received One UI 2.1[10] and One UI 2.5[11] user interface updates before getting a Android version update. It was then revealed that the Samsung Galaxy M31 was eligible for Android 11 version update.[12] On 19 January 2021, the phone started receiving Android 11 update with One UI 3 user interface.[13][14] The phone then received an update for One UI 3.1 user interface in March 2021.[15][16] In April 2022, the phone started receiving the Android 12 update with One UI 4.1, being the last user interface update it will get.[17][18]

See also

References

  1. ↑ Shenoy, Aditya (28 February 2020). "Samsung Galaxy M31 Review" (in en). https://gadgets.ndtv.com/mobiles/reviews/samsung-galaxy-m31-review-price-india-2187345. 
  2. ↑ "Samsung Galaxy M31 Price in India, Specifications, Comparison (5th January 2022)". https://gadgets.ndtv.com/samsung-galaxy-m31-price-in-india-91382. 
  3. ↑ 3.0 3.1 3.2 3.3 "Samsung Galaxy M31 goes official with quad camera, 6,000mAh battery and Android 10". 25 February 2020. https://www.gsmarena.com/samsung_galaxy_m31_goes_official_with_quad_cameras_6000mah_battery_and_android_10-news-41691.php. 
  4. ↑ 4.0 4.1 "Samsung Galaxy M31 hands-on review". 25 February 2020. https://www.gsmarena.com/samsung_galaxy_m31_hands_on-review-2070.php. 
  5. ↑ 5.0 5.1 5.2 "Samsung Galaxy M31 - Full phone specifications". https://www.gsmarena.com/samsung_galaxy_m31-10079.php. 
  6. ↑ "Samsung Galaxy M31 hits the UK". 29 April 2020. https://www.gsmarena.com/samsung_galaxy_m31_goes_global-news-42926.php. 
  7. ↑ "Exynos 9611 Octa Mobile Processor". https://semiconductor.samsung.com/processor/mobile-processor/exynos-9611/. 
  8. ↑ "Exynos 9611 - Samsung". https://en.wikichip.org/wiki/samsung/exynos/9611. 
  9. ↑ "Samsung Exynos 9611 SoC". https://www.notebookcheck.net/Samsung-Exynos-9611-SoC-Benchmarks-and-Specs.444725.0.html. 
  10. ↑ "Samsung Galaxy M31 and M01s get One UI 2.1 updates" (in en-US). https://www.gsmarena.com/samsungs_one_ui_starts_hitting_galaxy_m_devices__m31_and_m01s_are_first_in_line-news-45331.php. 
  11. ↑ "Samsung Galaxy M31 updated to One UI 2.5" (in en-US). https://www.gsmarena.com/samsung_galaxy_m31_updated_to_one_ui_25-news-46148.php. 
  12. ↑ "Samsung Android 11 update: When will your phone get One UI 3.0 or 3.1?". 2021-11-14. https://www.androidauthority.com/samsung-android-11-update-1182706/. 
  13. ↑ "Samsung Galaxy M31 Android 11 Update Starts Rolling Out". 19 January 2021. https://gadgets.ndtv.com/mobiles/news/samsung-galaxy-m31-android-11-one-ui-3-0-stable-update-january-2021-security-patch-2354777. 
  14. ↑ "Samsung Galaxy M31 receiving Android 11-based One UI 3.0 stable update" (in en-US). https://www.gsmarena.com/samsung_galaxy_m31_android_11_one_ui_3_update-news-47297.php. 
  15. ↑ "M31 NEW FOTA UPDATE IN INDIA" (in en). 2021-03-12. https://r2.community.samsung.com/t5/Galaxy-M/M31-NEW-FOTA-UPDATE-IN-INDIA/td-p/7499107. 
  16. ↑ "Samsung Galaxy A42 5G and Galaxy M31 get One UI 3.1" (in en-US). https://www.gsmarena.com/samsung_galaxy_a42_5g_galaxy_m31_android_11_one_ui_3_1_update-news-48192.php. 
  17. ↑ "Samsung Galaxy M31 is now receiving Android 12 with OneUI 4.1" (in en-US). https://www.gsmarena.com/samsung_galaxy_m31_is_now_receiving_android_12_with_oneui_41-news-53926.php. 
  18. ↑ "What's Samsung Galaxy m31 Android 13 update 🤨" (in en). 2023-09-13. https://r2.community.samsung.com/t5/Galaxy-M/What-s-Samsung-Galaxy-m31-Android-13-update/td-p/14529856. 



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