Display
Size:
6.0 inches
6.5 inches
Resolution:
2160 x 1080 pixels, 402 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
Technology:
IPS LCD
Super AMOLED
Screen-to-body:
77.44 %
86.06 %
Peak brightness:
500 cd/m2 (nit)
Features:
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Hardware
System chip:
Qualcomm Snapdragon 660 SDM660
Samsung Exynos 9611
Processor:
Octa-core, 2200 MHz, Kryo 260, 64-bit, 14 nm
Octa-core, 2300 MHz, Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm
GPU:
Adreno 512
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 (10, 9.0 Pie, 8.1 Oreo)
Android (10), Samsung One UI
Battery
Capacity:
3800 mAh
6000 mAh
Type:
Li - Ion, Not user replaceable
Not user replaceable
Charging:
Fast charging
Fast charging, Reverse charging
Max charge speed:
Wired: 25.0W
Camera
Rear:
Dual camera
Quad camera
Main camera:
12 MP (PDAF)
64 MP (PDAF)
Specifications:
Aperture size: F1.8; Focal length: 25 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:
13 MP (Autofocus)
12 MP (Ultra-wide)
Specifications:
Optical zoom: 2x; Aperture size: F2.6; Sensor size: 1/3.4"; Pixel size: 1 μm
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
Video recording:
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)
Features:
Time-lapse video, Continuous autofocus, Video light, EIS, Video calling, Video sharing
Hyperlapse, EIS
Front:
16 MP
32 MP
Video capture:
3840x2160 (4K UHD) (30 fps)
Design
Dimensions:
6.24 x 2.98 x 0.38 inches (158.38 x 75.64 x 9.55 mm)
6.27 x 2.93 x 0.37 inches (159.3 x 74.4 x 9.3 mm)
Weight:
6.46 oz (183.0 g)
7.16 oz (203.0 g)
Materials:
Back: Aluminum
Biometrics:
Fingerprint (touch)
Fingerprint (touch)
Keys:
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Black, White
Mirage black, Mirage blue
Cellular
LTE (FDD):
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
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)
LTE (TDD):
Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)
UMTS:
850, 900, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz
Data Speed:
LTE-A Cat 6 (300/50 Mbit/s), HSPA, HSUPA
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM:
Yes
SIM type:
Nano SIM
Nano SIM
Multimedia
Headphones:
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features:
Album art cover, Background playback
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
FM
Additional microphone(s):
for Noise cancellation
Connectivity & Features
Bluetooth:
5.0
5.0
Wi-Fi:
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
USB:
Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0
Features:
Charging, OTG, Mass storage device
Charging, OTG
Location:
GPS, A-GPS, Glonass, BeiDou
GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass
Other:
NFC, VoIP, Tethering, Computer sync, OTA sync
NFC
Buyers information
Price:
€ 310
User Manual:
This is the official Samsung Galaxy M31s User Guide in English provided from the manufacturer.
Availability
Officially announced:
Feb 25, 2018
Jul 30, 2020
