OPPO A31 Smartphone


Out of stock

OPPO A31 Smartphone features

  • RAM: 4 GB
  • Storage: 64 GB
  • Battery: 4230 mAh
  • Main camera: 12MP & 8 MP
  • Display: 6.4″
  • OS: Android 10.0

OPPO A31 Smartphone

Product Description

Oppo A31

12MP Triple Rear Camera3

OPPO A31’s three lenses inspire you to capture images in more ways than ever before.
A 12MP main camera lets you focus clearly on the big picture
while a macro lens lets you zoom in on even the tiniest details. Plus, the depth camera helps create more stunning portraits.

triple camera

Your Beauty in Focus

Portrait Bokeh
With hardware level Portrait Bokeh effects, bring the subject of your photo quickly into focus with a blurred background effect.
based on the analysis of hundreds of photos and user aesthetic taste trends, five new portrait styles let you play up your style.


Zoom into the World With OPPO A31

Macro Lens
The macro lens lets you capture the world around you in more detail. From morning dew to blooming flowers, OPPO A31 makes it easy to reveal the hidden gems of everyday life.

the zoom magic

Color up Your Life

Dazzle Color Mode
OPPO A31’s pixel-mapping color algorithm helps bring out the color in photos.
In Dazzle Color Mode, not only does flowers look more appealing through enhanced colors, but your world in photos are too more colorful than ever.

camera beautification

Beautiful Selfies with OPPO A31 Smartphone

8MP Front AI Beautification Camera
Say hello to more natural, beautiful selfies. OPPO A31’s 8MP Front AI Beautification Camera automatically identifies age and gender to create more customized and natural selfies with more refined and beautiful skin.


Triple The Experience

Immersive Viewing Experience
6.5-inch Waterdrop Eye Protection Screen
The newly designed Nano-Waterdrop Notch of OPPO A31 is 31.4% smaller than before. T
he result is a larger screen that makes playing games and watching videos more immersive than ever. Plus, OPPO A31 filters out harmful blue light to prevent eye fatigue, protecting your vision for all-day enjoyment.
size: 6.5”

(16.5 cm) 6.5’’

Nano-Waterdrop Screen


Screen-to-Body Ratio

oppo A31

3D Aesthetic Design

Mystery Black | Lake Green
OPPO A31 comes in two striking new colors inspired by nature. Lake Green from a vast shola and Mystery Black from moonless midnight. OPPO A31’s 3D Aesthetic Design will let you shine above the crowd.
Mystery Black Lake Green

beautiful colors

Feel the Difference

Thinner Curved Body

OPPO A31’s 3D ergonomic body was designed for a thinner visual appearance. With its one-handed grip, everything about it just feels right.
8.3mm4 Thickness
180g4 Weight
20:9 Aspect Ratio



More Slots for More Storage

3-Card Slot (Dual Sim + MicroSD for up to 256GB Extra Memory)5
OPPO A31 supports up to 256GB of additional memory into the three-card slot (Dual Sim + MicroSD). Feel free to take more photos, download more videos and save more music.
With this much storage, entertainment has no limits.
3-Card Slot
Dual Sim + MicroSD

sim card slot


  • All-Day Big Battery
  • 4230mAh Battery
  • With a big 4230mAh battery, watch videos, play games, and listen to music all day long. You can watch HD videos online for up to 14 hours6, or play games for up to 7 hours6 worry-free.
  • Up to 14 Hours

Video Streaming

  • Up to 7 Hours
  • Online Gaming
  • Up to 111 Hours6
  • Audio Playback

charging display

Smooth Performance

Octa-Core Processor

Featuring a 2.3GHz Octa-Core Processor, OPPO A31 not only runs smoothly during games and video playback but also requires lower power consumption.

octacore processor

Looks as Smart as It Is
ColorOS 6.1
Presenting an all-new UI design, ColorOS 6.1 offers intelligent, smooth navigation for a smoother experience.
Based on Android 9.0, the infinite design now includes a Smart Riding Mode7, Smart Assistance, Swipe-Up Gesture Navigation and even OPPO Cloud Service7.


Product Assurance

  • Smart Riding Mode
  • Smart Sidebar
  • Quality Guaranteed
  • Good Service
  • Higher Quality through Higher Standards
  • Stress Tested
  • Every OPPO smartphone undergoes rigorous testing before reaching you to ensure its quality meets not only our standards but also your every expectation.
  • 10,000 Earphone Plug-in Tests
  • 200,000 Power Button Tests
  • 100,000 Volume Button Tests


1. 6.5 inches(OPPO A31)is the diagonal length of the display when the four rounded corners are taken to be pointed corners (i.e. actual size is marginally smaller).
2. 4230mAh is the typical value of battery capacity. The minimum capacity is   4100mAh.
3. OPPO A31 adopts a triple rear camera consisting of a 12MP main camera,   2MP macro lens, and 2MP depth camera.
 The 12MP main camera has an actual output of 12.58MP and produces 4096×3072 resolution images.
4. OPPO A31’s thickness of 8.3mm and weight of 180g are approximate values, taken from OPPO internal tests.   Actual product may vary.
5. 3-Card slots are available only for specific regions and specific versions.
 Please refer to local specifications.
A MicroSD card needs to be purchased separately.6. OPPO A31 supports 14 hours of online video streaming, 7 hours of online gaming, and 111 hours of playtime for locally stored music.
6a. Online video streaming duration testing was performed with a starting charge of 100% and using a 4G mobile data connection.
with the phone’s audio volume adjusted to 72db, the phone’s brightness adjusted to 135lx, and while streaming a 1080P video.
Actual playback time may vary under different conditions.

OPPO A31 Smartphone Overview

. Online gaming duration testing was performed with a   starting charge of 100% and using a 4G mobile data connection, with the phone’s audio volume adjusted to 72db.
the phone’s brightness adjusted to   135lx, and while running Arena of Valor. Actual usage time may vary under different conditions.
6c. Local music duration testing was performed with a starting charge of   100% while in airplane mode and using wired earphones with the volume adjusted to the maximum setting.
Actual playback time may vary under different conditions.
7. Riding Mode and OPPO Cloud Service are available only for specific regions. Please refer to local specifications.
8. Product pictures are for reference only. Please refer to the actual product for actual specifications. Certain product specifications and descriptions may change due to reasons like changes in suppliers. The data on the page came from OPPO-designed technical parameters, and test data from the laboratories and from suppliers. In actual circumstances, the data will differ slightly, depending on the test software version, specific testing environment, and specific version.

Oppo A31 (2020) Summary


1. Dimension Image

OPPO A31 Dimension Image


OPPO A31 Exterior

Oppo A31 Dimensions/Weight

Height: 16.39cm / 163.9mm
Width: 7.55cm / 75.5mm
Thickness: 0.83cm / 8.3mm
Weight: About 180g

Oppo A31 Basic Parameters

Color: Mystery Black, Lake Green
Operating System: ColorOS 6.1.2, based on Android 9
Battery: 4100/4230mAh (Min/Typ)
Storage: 64GB/ 128GB (Expandable up to 256GB)

OPPO A31 Smartphone Display and Battery

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

OPPO A31 Camera

Rear Sensor: 12MP+2MP+2MP
Front Sensor: 208
Flash: LED Flash
Aperture: Rear: f/1.8 + f/2.4+f/2.4
Front: f/2.0
Rear: Main 1/2.86′, 1.25um;
Front:1/4′, 1.12um
Camera Mode:
Photo, video, professional mode, panorama, portrait, time-lapse photography
The rear cameras and front camera support up to 1080P@30fps,720P@30fps.

Run time

Talk Time: Max GSM:45 hours; WCDMA:33hours
Audio Playback: 35 hours
Video Playback: 8 hours



WCDMA: Bands 1/5/8
FDD-LTE: Bands 1/3/5/7/8/20/28
TD-LTE: Bands 38/40/41
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
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