Oppo A31: A Honest Review

Oppo A31: A Honest Review

Released in February 2020, the Oppo A31 quickly made its mark in the mid-range smartphone market. Weighing in at 180g with an 8.3mm thickness, the device showcases a sleek design with a glass front (Gorilla Glass 3), plastic back, and a plastic frame, making it both stylish and practical.

The Oppo A31 boasts a 6.5-inch IPS LCD display with a resolution of 720×1600 pixels, offering vibrant visuals and a commendable screen-to-body ratio of approximately 82.4%. The Corning Gorilla Glass 3 protection ensures durability, adding a layer of resilience to the device.

Running on Android 9.0 (Pie) with ColorOS 6.1, the smartphone is powered by the Mediatek MT6765V/CB Helio P35 (12nm) chipset. The octa-core CPU, comprising 4×2.3 GHz Cortex-A53 and 4×1.8 GHz Cortex-A53, delivers smooth performance for day-to-day tasks. The PowerVR GE8320 GPU enhances the overall graphics experience.

The Oppo A31 offers flexibility in storage, with options for 64GB or 128GB internal storage and a dedicated microSDXC slot for expandable storage. The combination of 4GB or 6GB RAM ensures efficient multitasking and responsiveness.

Photography enthusiasts will appreciate the triple-camera setup on the rear, featuring a 12 MP wide lens, a 2 MP macro lens, and a 2 MP depth sensor. The device supports LED flash, HDR, and panorama, while the 1080p@30fps video recording capability adds versatility to its imaging prowess. On the front, the 8 MP selfie camera with HDR support ensures crisp and clear self-portraits.

In terms of connectivity, the Oppo A31 covers the essentials with Wi-Fi 802.11 a/b/g/n/ac, Bluetooth 5.0, and FM radio. While lacking NFC, the device includes a microUSB 2.0 port for charging and data transfer.

The Oppo A31 incorporates a rear-mounted fingerprint sensor for added security, along with a range of sensors including accelerometer, gyro, proximity, and compass. The 4230 mAh non-removable Li-Po battery provides ample power to keep the device running throughout the day.

Available in Fantasy White, Mystery Black, and Lake Green, the Oppo A31 caters to diverse aesthetic preferences. Models include CPH2015, CPH2073, CPH2081, CPH2029, and CPH2031.

Also, Read

Oppo a77s: A Honest Review

Neo 7 (Oppo): A Honest Review

ColorOS Recovery (Oppo): A Comprehensive Guide

Oppo A31 Full Specification

Here is a summarized list of the Oppo A31 specifications:

Design and Display:

  • Dimensions: 163.9 x 75.5 x 8.3 mm
  • Weight: 180g
  • Build: Glass front (Gorilla Glass 3), plastic back, plastic frame
  • SIM: Dual SIM (Nano-SIM, dual stand-by)
  • Display: 6.5 inches IPS LCD, 720 x 1600 pixels, 20:9 ratio (~270 ppi density), Corning Gorilla Glass 3


  • 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


  • Internal: 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
  • Card slot: microSDXC (dedicated slot)


  • 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: 8 MP, f/2.0, (wide), 1/4.0″, 1.12µm
  • Features: HDR
  • Video: 1080p@30fps


  • Loudspeaker: Yes
  • 3.5mm jack: Yes


  • WLAN: Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
  • Bluetooth: 5.0, A2DP, LE
  • GPS: Yes, with A-GPS, GLONASS, BDS
  • NFC: No
  • Radio: FM radio
  • USB: microUSB 2.0, USB On-The-Go


  • Sensors: Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass


  • Type: Li-Po 4230 mAh, non-removable


  • Colors: Fantasy White, Mystery Black, Lake Green
  • Models: CPH2015, CPH2073, CPH2081, CPH2029, CPH2031

How Fast Is OPPO A31?

The speed of the OPPO A31 is determined by several key factors, including its processor, RAM capacity, and overall system optimization.

1. Processor Performance

The OPPO A31 is equipped with a Mediatek MT6765V/CB Helio P35 chipset, featuring an octa-core CPU. The CPU configuration consists of 4×2.3 GHz Cortex-A53 cores for high-performance tasks and 4×1.8 GHz Cortex-A53 cores for more power-efficient operations. This setup allows the device to handle a variety of tasks with a balance of speed and energy efficiency.

2. Graphics Processing Unit (GPU)

The PowerVR GE8320 GPU contributes to the phone’s overall speed, particularly when it comes to handling graphics-intensive applications, games, and UI animations. While not a high-end GPU, it is well-suited for a mid-range device like the OPPO A31.

3. RAM Capacity

The device comes in two variants with different RAM capacities: 4GB and 6GB. The RAM plays a crucial role in multitasking and overall system responsiveness. With sufficient RAM, the OPPO A31 can efficiently handle multiple applications running simultaneously without significant lag.

4. Operating System and Software Optimization

The OPPO A31 runs on Android 9.0 (Pie) with ColorOS 6.1. The efficiency of the operating system and the optimization of the user interface contribute to the overall speed and smoothness of the device. ColorOS is known for its user-friendly interface and performance enhancements.

5. Storage Type and Speed

The internal storage of the OPPO A31 uses eMMC 5.1 technology. While not as fast as UFS (Universal Flash Storage), eMMC 5.1 still provides decent read and write speeds, contributing to the overall responsiveness of the device.

6. Network Connectivity

The OPPO A31 supports GSM, HSPA, and LTE technologies for cellular connectivity. The efficiency of internet-related tasks, such as web browsing and online content streaming, can be influenced by the device’s network capabilities.

In summary, the OPPO A31 is designed to deliver a satisfactory level of speed for everyday tasks, including app launches, multitasking, and general user interactions.

While it may not be a flagship-level performer, it offers a balanced combination of hardware and software optimizations to provide a smooth and responsive user experience in its mid-range category.

Users can expect good performance for regular usage, including social media, web browsing, and moderate gaming.

Is OPPO A31 Wireless Charging?

No, the OPPO A31 does not support wireless charging. The device relies on traditional wired charging methods using a microUSB 2.0 port.

While wireless charging has become a desirable feature in many premium smartphones, it is not a feature commonly found in mid-range devices, and the OPPO A31 is no exception.

Wireless charging technology involves the use of electromagnetic fields to transfer power from a charging pad or stand to the device without the need for physical cables.

However, the OPPO A31, being a mid-range smartphone, does not include the necessary hardware components, such as a wireless charging coil and corresponding receiver, to enable this wireless charging capability.

Instead, the OPPO A31 utilizes a more conventional charging method through its microUSB 2.0 port. Users can charge the device by connecting it to a power source using the provided charging cable.

While wireless charging is a convenient feature for some users, its absence in the OPPO A31 is reflective of the device’s positioning in the mid-range market, where manufacturers may prioritize other features to maintain a balance between performance and cost.

Also, Read

Are Samsung Phones Dual Voltage?

Is Oppo A31 Waterproof?

No, the Oppo A31 does not have any official water resistance or waterproofing certification. The device lacks an IP (Ingress Protection) rating, which means it has not undergone testing and certification for water and dust resistance.

Water resistance in smartphones is achieved through the use of special seals and coatings that protect internal components from moisture. Devices with IP ratings, such as IP67 or IP68, are designed to withstand certain levels of water exposure for a specified duration.

While the Oppo A31 may offer some level of protection against occasional splashes or light rain and dust, it is not built to withstand full immersion in water or exposure to water under pressure.

Users should exercise caution and avoid exposing the device to water or liquids, as moisture can potentially damage internal components and compromise the device’s functionality.

For users who prioritize water resistance, it’s advisable to consider smartphones that come with an official IP rating, as they are specifically designed and tested to withstand water and dust exposure in accordance with industry standards.

Also, Read

Are iPhone XR Waterproof?

Are Samsung Phones Waterproof?

Are Samsung Earbuds Waterproof?

Are Samsung Watches Waterproof?

Is OPPO A31 Good For Photography?

Is OPPO A31 Good For Photography

The OPPO A31 offers a reasonable photography experience, especially considering its mid-range positioning. The device features a triple-camera setup on the rear and a front-facing selfie camera. Here’s an overview of its camera capabilities:

Rear Camera Setup:

  • 12 MP, f/1.8, wide lens
  • 2 MP, f/2.4, macro lens
  • 2 MP, f/2.4, depth sensor

The combination of a wide lens for general photography, a macro lens for close-up shots, and a depth sensor for improved portrait shots provides versatility for users. The device supports LED flash, HDR, and panorama features, enhancing the overall photography experience.

Video Recording:

  • The rear camera is capable of recording videos at 1080p@30fps, offering decent video quality for everyday use.

Front Camera:

  • 8 MP, f/2.0, wide lens
  • HDR support
  • Video recording at 1080p@30fps

The front-facing camera is suitable for capturing clear and detailed selfies, and the HDR support helps improve image quality in challenging lighting conditions.

Photography Experience:

  • The OPPO A31’s camera system performs well in well-lit conditions, capturing detailed and vibrant images.
  • The inclusion of a macro lens allows users to explore close-up photography, capturing intricate details.
  • The depth sensor contributes to creating appealing portrait shots with a blurred background (bokeh effect).
  • HDR support enhances the dynamic range, especially in challenging lighting scenarios.


  • In low-light conditions, the camera performance may not be as strong compared to more expensive flagship devices.
  • While the camera system is versatile, it’s essential to manage expectations given the device’s mid-range positioning.

In summary, the OPPO A31 is a suitable choice for users who prioritize a mid-range smartphone with a capable camera system for everyday photography needs.

It strikes a balance between affordability and camera versatility, making it a good option for users who want decent imaging capabilities without the premium price tag.

Also, Read

Which Mobile Phone Has The Best Camera?


The Oppo A31 emerges as a compelling choice in the mid-range smartphone segment, offering a harmonious blend of style, performance, and versatile camera capabilities. Whether you are a photography enthusiast or a multitasking user, the Oppo A31 delivers a satisfying user experience.

One thought on “Oppo A31: A Honest Review

Comments are closed.