Samsung Galaxy M31s

Released 2020, August 06
203g, 9.3mm thickness
Android 10, up to Android 12, One UI 4.1
128GB storage, microSDXC
1.4% 3,937,689 hits
346 Become a fan
6.5"
1080x2400 pixels
64MP
2160p
6/8GB RAM
Exynos 9611
6000mAh
25W

Network	Technology	GSM / HSPA / LTE
	2G bands	GSM 850 / 900 / 1800 / 1900
	3G bands	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
	4G bands	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
	Speed	HSPA, LTE

Launch	Announced	2020, July 30
Launch	Status	Available. Released 2020, August 06

Body	Dimensions	159.3 x 74.4 x 9.3 mm (6.27 x 2.93 x 0.37 in)
	Weight	203 g (7.16 oz)
	SIM	Nano-SIM Nano-SIM + Nano-SIM

Display	Type	Super AMOLED
	Size	6.5 inches, 102.0 cm² (~86.1% screen-to-body ratio)
	Resolution	1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
	Protection	Corning Gorilla Glass 3

Platform	OS	Android 10, upgradable to Android 12, One UI 4.1
	Chipset	Exynos 9611 (10 nm)
	CPU	Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
	GPU	Mali-G72 MP3

Memory	Card slot	microSDXC (dedicated slot)
	Internal	128GB 6GB RAM, 128GB 8GB RAM
		UFS 2.1

Main Camera	Triple	64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF 12 MP, f/2.2, 123˚ (ultrawide) 5 MP, f/2.4, (macro) 5 MP, f/2.4, (depth)
	Features	LED flash, panorama, HDR
	Video	4K@30fps, 1080p@30fps, gyro-EIS

Selfie camera	Single	32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
	Features	HDR
	Video	4K@30fps, 1080p@30fps

Sound	Loudspeaker	Yes
	3.5mm jack	Yes

Comms	WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
	Bluetooth	5.0, A2DP, LE
	Positioning	GPS, GLONASS, GALILEO, BDS
	NFC	Yes (market/region dependent)
	Radio	FM radio, RDS, recording
	USB	USB Type-C 2.0, OTG

Features	Sensors	Fingerprint (side-mounted), accelerometer, gyro, compass
		Virtual proximity sensing

Battery	Type	Li-Po 6000 mAh
	Charging	25W wired 4.5W reverse wired

Misc	Colors	Mirage Black, Mirage Blue
	Models	SM-M317F, SM-M317F/DS
	SAR	1.38 W/kg (head)
	Price	About 300 EUR

Disclaimer. We can not guarantee that the information on this page is 100% correct. Read more

Samsung Galaxy M31s - user opinions and reviews

Gjd
3ah
31 Mar 2025

Purchased my phone in January 2021. Phone has performed perfectly, never missed a beat. The battery is immense and will be sadly missed. Probably the best phone I've ever owned. Will be replacing later this year with the A36.

random user
gnh
05 Dec 2024

i am using 4 + year it works without any issue. almost there is not so good device with same battery and other features

Jose lee
fnE
31 Oct 2024

Still experiencing same tremors , but after factory reset it's alright yet not sure if I'll occur any problem after installing the update again....