Display
Size:
5.8 inches
6.5 inches
Resolution:
2960 x 1440 pixels, 18.5:9 ratio, 570 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
Technology:
Super AMOLED
Super AMOLED
Screen-to-body:
84.26 %
86.06 %
Features:
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Hardware
System chip:
Qualcomm Snapdragon 835 MSM8998 (10 nm)
Samsung Exynos 9611 (10 nm)
Processor:
Octa-core, 2350 MHz, Kryo 280, 64-bit
Octa-core, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit
GPU:
Adreno 540
Mali-G72 MP3
RAM:
4GB LPDDR4
6GB LPDDR4
Internal storage:
64GB
128GB (UFS 2.1), available to use: 106.4 GB
Storage expansion:
microSDXC up to 256 GB
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
OS:
Android (9.0 Pie, 8.0 Oreo, 7.0 Nougat), Samsung One UI
Android (11, 10), Samsung One UI
Battery
Capacity:
3000 mAh
6000 mAh
Type:
Li - Ion, Not user replaceable
Not user replaceable
Charging:
Qualcomm Quick Charge 2.0, Qi and Powermat wireless charging
Fast charging, Reverse charging
Max charge speed:
Wired: 25.0W
Camera
Rear:
Single camera
Quad camera
Main camera:
12 MP (OIS, PDAF)
64 MP (PDAF)
Specifications:
Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm
Second camera:
12 MP (Ultra-wide)
Specifications:
Aperture size: F2.2
Third camera:
5 MP (Macro)
Specifications:
Aperture size: F2.4
Fourth camera:
5 MP (Depth information)
Specifications:
Aperture size: F2.4
Flash:
LED
LED
Video recording:
3840x2160 (4K UHD) (30 fps), 2560x1440 (QHD), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)
Features:
HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video light, EIS, Video calling, Video sharing
Hyperlapse, EIS
Front:
8 MP (Wide Angle, Autofocus, HDR)
32 MP
Video capture:
2560x1440 (QHD)
3840x2160 (4K UHD) (30 fps)
Design
Dimensions:
5.86 x 2.68 x 0.31 inches (148.9 x 68.1 x 8.0 mm)
6.27 x 2.93 x 0.37 inches (159.3 x 74.4 x 9.3 mm)
Weight:
5.47 oz (155.0 g)
7.16 oz (203.0 g)
Materials:
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Resistance:
Water, Dust; IP68
Biometrics:
Iris scanner, 2D Face unlock, Fingerprint (touch)
Fingerprint (touch)
Keys:
Left: Volume control, Other; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Midnight black, Orchid gray, Arctic silver, Coral blue, Maple gold, Rose pink, Burgundy red
Mirage black, Mirage blue
Cellular
4G (FDD):
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD):
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)
3G:
Bands 1(2100), 2(1900), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed:
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM:
Yes
SIM type:
Nano SIM
Nano SIM
HD Voice:
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features:
32-Bit DAC, aptX-HD
Screen mirroring:
DLNA, Wireless screen share, MHL
Wireless screen share
Radio:
FM
Additional microphone(s):
for Noise cancellation, Video recording
Connectivity & Features
Bluetooth:
5.0, EDR
5.0
Wi-Fi:
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
USB:
Type-C (reversible), USB 3.1
Type-C (reversible), USB 2.0
Features:
Charging, Video out, Mass storage device
Charging, OTG
Location:
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass
Other:
NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync
NFC
Hearing aid compatible:
M3, T3
Regulatory Approval
FCC approval:
Date approved:
Apr 06, 2017
FCC ID value:
A3LSMG950U
Measured SAR:
Head:
0.49 W/kg
Body:
0.48 W/kg
Simultaneous Transmission:
1.53 W/kg
Wireless Router:
0.46 W/kg
Buyers information
Price:
€ 310
User Manual:
This is the official Samsung Galaxy M31s User Guide in English provided from the manufacturer.
Availability
Officially announced:
Mar 29, 2017
Jul 30, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless