The Oppo A31 2020 is a reasonably priced smartphone that has almost all of the features of a high-end model. With features like a large battery and robust technology, the gadget can compete with high-end smartphones without breaking the bank for the average consumer.
In April of 2015, Oppo released its A31 model smartphone. The phone has a 4.50-inch touchscreen display with a resolution of 480×854 pixels. The Oppo A31 is driven by a Qualcomm Snapdragon 410 quad-core CPU at 1.4 GHz. It has 1 GB of memory space. The Oppo A31 has a non-removable battery capacity of 2000mAh and operates on Android 4.4.
The Oppo A31 supports cellular data connections at the 3G and 4G levels in addition to Wi-Fi, GPS, and headphones (with support for Band 40 used by some LTE networks in India). The phone has a variety of sensors, such as an accelerometer, a light detector, and a proximity detector.
For photography, the Oppo A31 has an 8-megapixel camera located on the back. The front-facing camera is a whopping 5 megapixels, perfect for those group photos. ColorOS 2.0.1 on the Oppo A31 is based on Android 4.4 and has 8GB of built-in storage that can be increased through microSD card (up to 128GB). The Oppo A31 is compatible with both Micro-SIM and Nano-SIM cards, making it a dual-SIM (GSM and GSM) mobile device. The dimensions of the Oppo A31 are 131.90 x 65.54 x 8.03mm, and it has a weight of 135.00 grammes.
Oppo A31 Specifications
General
| Brand | Oppo | 
| Model | A31 | 
| Release date | April 2015 | 
| Form factor | Touchscreen | 
| Dimensions (mm) | 131.90 x 65.54 x 8.03 | 
| Weight (g) | 135.00 | 
| Battery capacity (mAh) | 2000 | 
| Removable battery | No | 
| Screen size (inches) | 4.50 | 
| Touchscreen | Yes | 
| Resolution | 480×854 pixels | 
| Processor | 1.4GHz quad-core | 
| Processor make | Qualcomm Snapdragon 410 | 
| RAM | 1GB | 
| Internal storage | 8GB | 
| Expandable storage | Yes | 
| Expandable storage type | microSD | 
| Expandable storage up to (GB) | 128 | 
| Rear camera | 8-megapixel | 
| Rear flash | LED | 
| Front camera | 5-megapixel | 
| Operating system | Android 4.4 | 
| Skin | ColorOS 2.0.1 | 
| Wi-Fi | Yes | 
| GPS | Yes | 
| Bluetooth | Yes | 
| NFC | No | 
| Infrared | No | 
| USB OTG | No | 
| Headphones | Yes | 
| FM | No | 
| Number of SIMs | 2 | 
| Wi-Fi Direct | No | 
| Mobile High-Definition Link (MHL) | No | 
| SIM 1 | |
| SIM Type | Micro-SIM | 
| GSM/CDMA | GSM | 
| 3G | Yes | 
| 4G/ LTE | Yes | 
| Supports 4G in India (Band 40) | Yes | 
| SIM 2 | |
| SIM Type | Nano-SIM | 
| GSM/CDMA | GSM | 
| 3G | No | 
| 4G/ LTE | Yes | 
| Supports 4G in India (Band 40) | Yes | 
| Compass/ Magnetometer | No | 
| Proximity sensor | Yes | 
| Accelerometer | Yes | 
| Ambient light sensor | Yes | 
| Gyroscope | No | 
| Barometer | No | 
| Temperature sensor | No | 
								
													