Performance
Operating System
Android™ 9.0 (Pie)
(ColorOS 6.1.2)
CPU Speed & Type
Octa-core 2.3GHz
(Quad 2.3GHz + Quad 1.8GHz)
Chipset / SoC
Mediatek MT6765V/CB
GPU
IMG GE8320
RAM Size
3GB / 4GB / 6GB
ROM Size
32GB / 64GB / 128GB
microSD
up to 256GB
Battery
Li-Po 4230mAh
20W (VOOC Flash Charge 3.0)
Design
Dimensions
163.9mm x 75.5mm x 8.3mm
Weight
180 grams
Build
Glass front, plastic back, plastic frame
Colors
Fantasy White Mystery Black Lake Green
Display
Size
6.5 inch
Resolution
HD (720 x 1600) pixels
Pixel Density
269 ppi
Touchscreen
Multi-touch, Capacitive Screen
Technology
IPS LCD
Protection
Corning® Gorilla® Glass 3
Rear Camera
Triple Camera
12MP Wide camera, f/1.8, 1/2.86 sensor size, PDAF
2MP Macro camera, f/2.4, 27mm, 1/5.0", 1.75µm
2MP Depth camera, f/2.4
Video Recording
1080P @ 60fps/30fps
720P @ 60fps/30fps
Front Camera
Single Camera
8MP, f/2.0
Video Recording
1080P/720P @ 30fps
Network / Bearer
SIM
Dual nano-SIM
2G
GSM 850/ 900/ 1800/ 1900MHz
3G
WCDMA Bands 1/5/8
4G
FDD-LTE Bands 1/3/5/8
TD-LTE Bands 38/40/41
Connectivity
USB
Type-C, USB 2.0, OTG
Wi-Fi®
Wi-Fi® 2.4/5GHz 802.11 a/b/g/n/ac
Bluetooth®
Bluetooth® 5.0
Location
Built-in GPS; supports A-GPS, Beidou, Glonass
NFC
supported
Others
Sensors
Magnetic Induction Sensor, Light Sensor, Proximity Sensor, G-Sensor/Acceleration Sensor, Gyroscope, Pedometer
Biometric
Fingerprint (rear-mounted)
What's in Box
• Oppo A31
• Adapter
• Headset
• USB-C Charge Cable
• Warranty Card
• Quick Start Guide
• SIM Card Ejector
• Protect Film
• Case