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OPPO A31

Beyond The Ordinary
4GB+64GB | 6GB + 128GB | AI Triple Camera | 16.5cm (6.5’’) Waterdrop Screen
All the Features You Want
4GB+64GB6GB + 128GB
12MP Triple RearCamera
16.5cm (6.5’’ )Waterdrop EyeProtection Screen
4230mAhBattery
FingerprintUnlock
TRIPLE THE POWER
4GB+64GB | 6GB + 128GB
3-Card Slot (Dual Sim + MicroSD for up to 256GB Extra Memory)2
OPPO A31‘s 6GB RAM provides faster performance to ensure you can play games and multi-task with ease. A super large memory of 128GB ROM lets you download and save more photos, music and videos. Moreover, OPPO A31 supports up to 256GB of additional memory with the three-card slot (Dual Sim + MicroSD). With this much storage, entertainment has no limits.
Long-Lasting Battery
4230mAh3 Battery
With a 4230mAh battery, you can watch videos, play games and listen to music all day long. You can watch HD videos online for up to 14 hours4, or play games for up to 7 hours4.
Smooth Performance
Octa-Core Processor
Featuring a 2.3GHz Octa-Core Processor, OPPO A31 runs smoothly during games and video playback, with reduced power consumption.
TRIPLE THE CAMERA
A Camera for Every Occasion
12MP Triple Rear Camera5
OPPO A31’s three lenses inspire you to capture images in more ways than ever before. A 12MP Main Camera gives you clear and bright images while a Macro Lens lets you dive deeper into the tiniest details by capturing objects as close as 4cms to the lens. Additionally, the Depth Camera helps create stunning portraits.
Your Beauty in Focus
Portrait Bokeh
With hardware level Portrait Bokeh effect, bring the subject of your photo into focus with a blurred background. Plus, based on the analysis of hundreds of photos and user aesthetic taste trends, five new portrait styles let you play up your style.
Get Closer to the World
Macro Lens
The Macro Lens lets you dive deeper into the details by capturing objects as close as 4cms to the lens. From morning dew to blooming flowers, OPPO A31 makes it easy to reveal the hidden gems of everyday life.
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 the flowers look more appealing with enhanced colors, but your world in photos looks more colorful than ever before.
Beautiful Selfies
8MP Front AI Beautification Camera
Say hello to more natural and beautiful selfies. OPPO A31’s 8MP Front AI Beautification Camera automatically identifies age and gender to create customized and natural selfies with more refined and beautiful skin.
TRIPLE THE EXPERIENCE
Immersive Viewing Experience
16.5cm (6.5’’) Waterdrop Eye Protection Screen
The newly designed Nano-Waterdrop Notch of OPPO A31 is 31.4% smaller than before. The result is a larger screen that makes playing games and watching videos more immersive than ever. Additionally, OPPO A31 filters out harmful blue light to prevent eye fatigue, protecting your vision for all-day enjoyment.
6.5”
16.5 cm (6.5’’)
Nano-Waterdrop Screen
89%
89%
Screen-to-Body Ratio
3D Aesthetic Design
Fantasy White | Mystery Black
OPPO A31 comes in two striking colors, Mystery Black and Fantasy White. Mystery Black inspired by a moonless midnight, and Fantasy White inspired by Chinese porcelain - Ru Ware. Its 3D Aesthetic Design will let you shine above the crowd.
Fantasy White
Mystery Black
Feel the Difference
Thinner Curved Body
OPPO A31’s 3D Ergonomic Body is designed for a thinner visual appearance. Its display size, aspect ratio and one-body design ensure thinness and smoothness, making it perfect for one-hand holding.
8.3mm6
Thickness
180g6
Weight
20:9
Aspect Ratio
Unlock in a Moment
Fingerprint Unlock
OPPO A31 comes with a rear fingerprint scanner, allowing you to unlock your phone quickly and securely.
Looks as Smart as It Is
ColorOS 6.1
Presenting an all-new UI design, ColorOS 6.1 offers intelligent and 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 the OPPO Cloud Service7.
Smart Riding Mode
Smart Sidebar
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. 16.5cm (6.5'' ) Waterdrop Screen of 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. 3-Card Slot are available only for specific regions and specific versions. Please refer to local specifications. A MicroSD card needs to be purchased separately. 

3. 4230mAh is the typical value of battery capacity. The minimum capacity is 4100mAh.

4. OPPO A31 supports 14 hours of online video streaming and 7 hours of online gaming.

4a. 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.

4b. 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.

5. 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.

6. OPPO A31’s thickness of 8.3mm and weight of 180g are approximate values, taken from OPPO internal tests. Actual product may vary.

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 in 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.