Oppo A57 4G

The Oppo A57 4G features a sleek design with dimensions of 163.7 x 75 x 8 mm and a weight of 187g. It is built durable with a glass front, plastic frame, and plastic back. The display is an IPS LCD panel measuring 6.56 inches, providing a screen-to-body ratio of 84.2 percent. The Oppo A57 comes with a  resolution is 720 x 1612 pixels, a 20:9 aspect ratio, and a pixel density of 269 PPI. Additionally, the phone supports IP5X dust resistance and IPX4 water resistance.

The Oppo A57 4G runs on Android 12 with ColorOS 12.1. This smartphone is equipped with the mid-range MediaTek MT6765G Helio G35 chipset built on a 12nm process. The chipset features an octa-core processor consisting of four Cortex-A53 cores clocked at 2.3GHz and 1.8GHz. In terms of graphic card, the Oppo A57 4G is equipped with PowerVR GE8320 GPU which can run up to 680 MHz.  This smartphone offers various memory configurations with 3GB / 4GB RAM paired with 64GB/128GB of internal storage respectively. Additionally, the storage is expandable via a microSDXC card slot.

For connectivity, the Oppo A57 4G smartphone supports WiFi 802.11 a/b/g/n/ac allowing dual-band connections and WiFi Direct. It integrates the latest Bluetooth v5.3 with A2DP, LE, and apt-X HD for wireless communication. To support navigation, the smartphone supports GPS positioning. This smartphone doesn’t support NFC functionality but it does support OTG connection. In terms of ports, this smartphone comes with a USB Type-C 2.0 port for connectivity. In addition to this, the Oppo A57 4G smartphone features a 3.5mm headphone jack.

The Oppo A57 4G comes equipped with a decent 13MP primary camera with an f/2.2 aperture and a 2MP depth sensor with an f/2.4 aperture. The camera offers a few basic features such as LED flash, HDR, and panorama mode. On the front, there is a single 8MP camera with an f/2.0 aperture which supports HDR. Both the front and rear cameras can record 1080p videos at 30fps.

The Oppo A57 4G smartphone is equipped with a large 5,000mAh battery which supports a 33W fast charging adapter. This smartphone can be charged up to 50 percent in just 30 minutes(as advertised). The phone features a side-mounted fingerprint sensor for secure biometric authentication. Its other sensors include a geomagnetic sensor, light sensor, proximity sensor, accelerometer, and gravity sensor.