a31 oppo

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  • Overview
  • Specs

Dimension Image

OPPO A31 Dimension Image


OPPO A31 Exterior


Height: 16.39cm / 163.9mm

Width: 7.55cm / 75.5mm

Thickness: 0.83cm / 8.3mm

Weight: About 180g

Basic Parameters

Color: Mystery Black, Fantasy White, Lake Green

Operating System: ColorOS 6.1.2, based on Android 9



Battery Capacity: 4100/4230mAh (Min/Typ)


Storage: 64GB/ 128GB (Expandable up to tướng 256GB)


Size: 16.5cm (6.5'')

Touchscreen: Multi-touch, Capacitive Screen, Gorilla Glass 3

Resolution: 1600 by 720 pixels

Colors: 16 million colors

Screen Ratio: 89%

Contrast: 1500:1

Type: In-Cell

Brightness: Typical Value 480nit


Rear Sensor: 12MP+2MP+2MP

Flash: LED Flash

Aperture : Rear: f/1.8 + f/2.4+f/2.4
Front: f/2.0

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Sensor Size:
Rear: Main một nửa.86', 1.25um;
Front:1/4', 1.12um

Camera Mode:
Photo, đoạn Clip, professional mode, panorama, portrait, time-lapse photography

The rear cameras and front camera tư vấn up to 1080P@30fps,720P@30fps.


Talk Time: Max GSM:45 hours; WCDMA:33hours

Audio Playback: 35 hours

Video Playback: 8 hours


[Frequency 1]:
GSM: 850/900/1800/1900MHz
WCDMA: Bands 1/5/8
FDD-LTE: Bands 1/3/5/8
TD-LTE: Bands 38/40/41
[Frequency 2]:
GSM: 850/900/1800/1900MHz
WCDMA: Bands 1/5/8
FDD-LTE: Bands 1/3/5/7/8
TD-LTE: Bands 38/40/41
[Frequency 3]:
GSM: 850/900/1800/1900MHz
WCDMA: Bands 1/5/8
FDD-LTE: Bands 1/3/5/7/8/20/28
TD-LTE: Bands 38/40/41
Remarks: Bands 41 (2535-2655MHz)
[Frequency 4]:
GSM: 900/1800MHz
WCDMA: 900/2100MHz
LTE FDD: Bands 1/3/5/8
LTE TDD: Band 40
[Frequency 5]:
GSM: 850/900/1800/1900MHz
WCDMA: Bands 1/2/4/5/8
FDD-LTE: Bands 1/2/3/4/5/7/8/28/66
TD-LTE: Bands 38/41(2535-2655MHz)

SIM Card Type: Dual Nano-SIM + MicroSD Card

GPS: Built-in GPS; supports A-GPS, Beidou, Glonass

Bluetooth®: 5.0

WLAN Function: 2.4/5GHz 802.11 a/b/g/n/ac

OTG: Supported




Magnetic Induction Sensor

Light Sensor

Proximity Sensor

G-Sensor/Acceleration Sensor



In the Box

Handset *1    

Headset*1 (Only for Taiwan, Singapore, Middle East and Africa 4GB+128GB, Mexico 4GB+64GB)

USB Cable *1    

Adapter *1   

SIM Card Pin*1    

Protective Case *1    

Quick Guide *1    

Warranty Card *1    

Product ID

Product ID: CPH2015/CPH2073/CPH2081/CPH2029/CPH2031

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Additional Remarks

A special technology is applied to tướng conceal the proximity sensor on the upper front of OPPO's điện thoại thông minh for the whole look of simplicity. It may cause abnormality of proximity function if the film or protector covers the proximity sensor area. Refer to tướng OPPO's official layout of protector and film for details.

Download Layout