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