Display
Size:
6.5 inches
6.4 inches
Resolution:
2400 x 1080 pixels, 20:9 ratio, 405 PPI
2340 x 1080 pixels, 19.5:9 ratio, 403 PPI
Technology:
Super AMOLED
Super AMOLED
Screen-to-body:
86.06 %
83.97 %
Peak brightness:
420 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:
Samsung Exynos 9611 (10 nm)
Exynos 9611 (10 nm)
Processor:
Octa-core, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit
Octa-core, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit
GPU:
Mali-G72 MP3
Mali-G72 MP3
RAM:
6GB LPDDR4
6GB LPDDR4
Internal storage:
128GB (UFS 2.1), available to use: 106.4 GB
64GB (UFS 2.1), available to use: 49 GB
Storage expansion:
microSDXC up to 512 GB
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
OS:
Android (11, 10), Samsung One UI
Android (11, 10), Samsung One UI
Battery
Capacity:
6000 mAh
6000 mAh
Type:
Not user replaceable
Li - Polymer, Not user replaceable
Charging:
Fast charging, Reverse charging
Fast charging
Max charge speed:
Wired: 25.0W
Wired: 15.0W
Camera
Rear:
Quad camera
Quad camera
Main camera:
64 MP (PDAF)
64 MP (PDAF)
Specifications:
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 0.8 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)
8 MP (Ultra-wide)
Specifications:
Aperture size: F2.2
Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/4"; Pixel size: 1.12 μm
Third camera:
5 MP (Macro)
5 MP (Macro)
Specifications:
Aperture size: F2.4
Aperture size: F2.2; Focal Length: 25 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Fourth camera:
5 MP (Depth information)
5 MP (Depth information)
Specifications:
Aperture size: F2.4
Aperture size: F2.2
Flash:
LED
LED
Video recording:
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps)
Features:
Hyperlapse, EIS
Hyperlapse, EIS
Front:
32 MP
32 MP (HDR, Slow-motion videos)
Video capture:
3840x2160 (4K UHD) (30 fps)
1920x1080 (Full HD)
Design
Dimensions:
6.27 x 2.93 x 0.37 inches (159.3 x 74.4 x 9.3 mm)
6.27 x 2.96 x 0.35 inches (159.2 x 75.1 x 8.9 mm)
Weight:
7.16 oz (203.0 g)
6.74 oz (191.0 g)
Materials:
Back: Plastic; Frame: Plastic
Biometrics:
Fingerprint (touch)
2D Face unlock, Fingerprint (touch)
Keys:
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Mirage black, Mirage blue
Blue, Black, Red
Cellular
4G (FDD):
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)
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), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD):
Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)
3G:
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed:
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM:
Yes
Yes
SIM type:
Nano SIM
Nano SIM
VoLTE:
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features:
Dolby Atmos
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
FM
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
Charging
Location:
GPS, A-GPS, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass
Other:
NFC
NFC
Regulatory Approval
FCC approval:
Date approved:
Feb 07, 2020
FCC ID value:
A3LSMM315F
Measured SAR:
Head:
0.42 W/kg
Body:
0.41 W/kg
Simultaneous Transmission:
1.54 W/kg
Wireless Router:
0.74 W/kg
Buyers information
Price:
€ 310
€ 240
User Manual:
This is the official Samsung Galaxy M31s User Guide in English provided from the manufacturer.
This is the official Samsung Galaxy M31 User Guide in English provided from the manufacturer.
In The Box:
15W fast charger, Data cable, Ejection pin, User Manual
Availability
Officially announced:
Jul 30, 2020
Feb 25, 2020