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General Information
Model Name
Galaxy A31
Model type
Bar
Colors
Blue (Prism Crush Blue)Black (Prism Crush Black)Red (Prism Crush Red)White (Prism Crush White)
Announced
2020, March
Released
2020, April
Physical specifications
Dimensions
Bar: 159.3 x 73.1 x 8.6 mm
Weights
185g
Operating system
Operating system
Android 10
One UI version
2.5
Networks
SIM
Dual SIM model
SIM card sizes
Nano-SIM (4FF)
Networks
2G3G4G
eSIM support
No
Display
Kind
Main Display
Name
Infinity-U Display
Technology
Super AMOLED Display
Size
6.4 inch / 162.56 mm
Resolution
FHD+ / 2400x1080 pixels
Pixel density
411 PPI
Screen to body ratio
~84.0%
Processors
Memory
RAM/ROM sizes
4 GB RAM with 64 GB ROM6 GB RAM with 128 GB ROM
External memory support
Yes
External memory support maximum
512 GB
Sensors
Accelerometer
Yes
Fingerprint sensor
Yes
Geomagnetic sensor
Yes
Gyro sensor
Yes
Light Sensor
Yes
Virtual Proximity Sensing
Yes
Video
Max. Video Recording Resolution
FHD video recording at 30 fps (1920x1080)
External memory support
Yes
External memory support maximum
512 GB
Front Camera
Flash
No
Kind
Selfie Camera
Megapixels
20MP
Aperture
F2.2
Rear Camera
Flash
Yes
Digital Zoom
Yes
Kind
Wide-angle Camera
Megapixels
48MP
Aperture
F1.8
Pixel size
0.8µm
Field of view
80˚
Extras
PDAF
Kind
Depth Camera
Megapixels
5MP
Aperture
F2.4
Kind
Ultra Wide Camera
Megapixels
8MP
Aperture
F2.2
Pixel size
1.12μm
Field of view
123˚
Kind
Macro Camera
Megapixels
5MP
Aperture
F2.4
Connectivity
ANT+
No
USB version
Type C
3.5mm Headphonejack
Yes
Location technology
BeiDouGalileoGlonassGPS
Wi-Fi
Yes
Wi-Fi Direct
Yes
NFC
No
Bluetooth Version
5.0
Battery
Standard battery capacity
5000mAh
Removable battery
No
Wired fast charging
Yes
Wired fast charging watt
15