Samsung Galaxy A31 Specification 

Release
Release Status Release 2020, Jun
Performance
Processor Octa-core (2x2.0 GHz & 6x1.7 GHz)
Chipset Mediatek Helio P65
GPU Mali-G52 MC2
RAM & Storage 128GB, 6GB RAM
External Storage microSDXC (dedicated slot)
OS Android 10, One UI 2.0
Battery Non-removable Li-Po 5000 mAh battery
Fast charging 15W
Screen
Display size 6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio)
1080 x 2400 pixels, 20:9 ratio (~411 ppi density)
Display type Super AMOLED capacitive touchscreen, 16M colors
Body
Dimension 159.3  x  73.1  x  8.6 mm
Weight 185 g (6.53 oz)
Colors Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
Connectivity
Network Bands 3G & 4G
SIM Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Data Speed HSPA 42.2/5.76 Mbps, LTE-A
Wifi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth 5.0, A2DP, LE
NFC Yes (market/region dependent)
USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go
Sensors
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS
Camera & Video
Rear Camera Quad: 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF + 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm + 5 MP, f/2.4, (macro) + 5 MP, f/2.4, (depth)
Front Camera 20 MP, f/2.2, (wide)
Video 1080p@30fps
1080p@30fps
Features LED flash, panorama, HDR
Audio
Loud Speaker Yes
Sound Jack Yes
*Features and specifications are subject to change without prior notification.