Oppo A31

Network
Technology
GSM / HSPA / LTE

2G bands
GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2

3G bands
HSDPA 850 / 900 / 2100 – International

 
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 – USA

4G bands
1, 3, 5, 7, 8, 20, 28, 38, 40, 41 – International

 
1, 2, 3, 4, 5, 7, 8, 28, 38, 41, 66 – USA

 
1, 3, 5, 8, 38, 40, 41 – India

 
1, 3, 5, 7, 8, 38, 40, 41 – Asia

Speed
HSPA, LTE

Launch
Announced
2020, February 13

Status
Available. Released 2020, February 14

Body
Dimensions
163.9 x 75.5 x 8.3 mm (6.45 x 2.97 x 0.33 in)

Weight
180 g (6.35 oz)

Build
Glass front (Gorilla Glass 3), plastic back, plastic frame

SIM
Dual SIM (Nano-SIM, dual stand-by)

Display
Type
IPS LCD, 480 nits (typ)

Size
6.5 inches, 102.0 cm2 (~82.4% screen-to-body ratio)

Resolution
720 x 1600 pixels, 20:9 ratio (~270 ppi density)

Protection
Corning Gorilla Glass 3

Platform
OS
Android 9.0 (Pie), ColorOS 6.1

Chipset
Mediatek MT6765V/CB Helio P35 (12nm)

CPU
Octa-core (4×2.3 GHz Cortex-A53 & 4×1.8 GHz Cortex-A53)

GPU
PowerVR GE8320

Memory
Card slot
microSDXC (dedicated slot)

Internal
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM

 eMMC 5.1

Main Camera
Triple
12 MP, f/1.8, (wide), 1/2.86″, 1.25µm, PDAF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)

Features
LED flash, HDR, panorama

Video
1080p@30fps

Selfie camera
Single
8 MP, f/2.0, (wide), 1/4.0″, 1.12µm

Features
HDR

Video
1080p@30fps

Sound
Loudspeaker
Yes

3.5mm jack
Yes

Comms
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

Bluetooth
5.0, A2DP, LE

Positioning
GPS, GLONASS, BDS

NFC
No

Radio
FM radio

USB
microUSB 2.0, OTG

Features
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

Battery
Type
Li-Po 4230 mAh, non-removable

Misc
Colors
Fantasy White, Mystery Black, Lake Green

Models
CPH2015, CPH2073, CPH2081, CPH2029, CPH2031

Price
About 160 EUR