Oppo · phone · 2020

Oppo A31

Oppo A31

6.5"

720 x 1600 pixels

Helio P35 (12 nm)

Android 9.0 Pie

4 GB, 6 GB

microSDXC

12+2 MP

Selfie 8 MP

Announced: 2020-02-13
Released: 2020-02-14
Status: Available
Body: 180 g, 8.3 mm thickness
OS: Android 9.0 Pie
Colors: Fantasy White, Lake Green, Mystery Black

Network

4

2G bands: P-GSM-900
GSM-850
DCS-1800
T-GSM-900
R-GSM-900
E-GSM-900
3G bands: B8 (900 MHz)
B26 (850 MHz)
B5 (850 MHz)
4G bands: B28 (700 MHz)
B38 (2600 MHz)
B7 (2600 MHz)
B40 (2300 MHz)
B5 (850 MHz)
B8 (900 MHz)
B20 (800 MHz)
B1 (2100 MHz)
SIM: Dual SIM (Nano-SIM)

Body

8

Height: 163.9 mm
Width: 75.5 mm
Thickness: 8.3 mm
Weight: 180 g
Colors: Fantasy White
Lake Green
Mystery Black
Back material: Plastic
Frame material: Plastic
QWERTY keyboard: ✕ No

Platform

2

OS: Android 9.0 Pie
Chipset: Helio P35 (12 nm)

Memory

3

Memory: 4GB RAM, 64GB
4GB RAM, 128GB
6GB RAM, 128GB
Card slot: microSDXC
Dedicated card slot: ✓ Yes

Display

8

Size: 6.5"
Resolution width: 720 px
Resolution height: 1600 px
Pixel density: 270 ppi
High refresh rate: ✕ No
Display area: 102 cm²
Screen-to-body ratio: 82.4%
Technology: IPS LCD

Main camera

5

Cameras: 12MP, f/1.5, wide, PDAF
2MP, depth
2MP, f/2.4, macro
Flash: LED
Video: 1080p@30fps
HDR: ✓ Yes
Panorama: ✓ Yes

Selfie camera

4

Cameras: 8MP, f/1.7, wide
Video: 1080p@30fps
HDR: ✓ Yes
Pop-up camera: ✕ No

Sound

3

3.5mm jack: ✓ Yes
Stereo speakers: ✕ No
Loudspeaker: ✓ Yes

Sensors

7

Fingerprint: rear-mounted
Gyroscope: ✓ Yes
Compass: ✓ Yes
Barometer: ✕ No
Heart rate: ✕ No
Accelerometer: ✓ Yes
Proximity: ✓ Yes

Connectivity

7

Wi-Fi: 802.11b (1–11 Mbit/s)
Wi‑Fi 5 (802.11ac) (433–6933 Mbit/s)
Wi‑Fi 4 (802.11n) (72–600 Mbit/s)
Wi‑Fi 6E (802.11ax) (600–9608 Mbit/s)
802.11a (6–54 Mbit/s)
802.11g (6–54 Mbit/s)
Wi‑Fi 6 (802.11ax) (600–9608 Mbit/s)
Bluetooth: Bluetooth 5.0
USB: USB microUSB 2.0
GPS: ✓ Yes
NFC: ✕ No
Infrared port: ✕ No
FM radio: ✓ Yes

Battery

4

Capacity: 4230 mAh
Type: Li-Po
Removable: ✕ No
Wireless charging: ✕ No