As of my last knowledge update in January 2022, the Redmi A3 was a smartphone produced by Xiaomi. Please note that product details might have changed since then. Here's a brief description based on the information available up to 2022:

The Redmi A3 features a 6.01-inch display with a resolution of 720 x 1560 pixels, providing a clear and vibrant viewing experience. Powered by a Qualcomm Snapdragon 665 processor, it offers smooth performance for everyday tasks and multitasking. The phone boasts a triple-camera setup on the rear, with a 48MP main sensor, an 8MP ultrawide lens, and a 2MP depth sensor for versatile photography.

For selfie enthusiasts, the Redmi A3 comes equipped with a 32MP front camera. The device runs on MIUI, Xiaomi's custom Android interface, and is powered by a 4,030mAh battery for extended usage. Additionally, it supports features like face unlock and a rear-mounted fingerprint sensor for enhanced security. The Redmi A3 generally offers a good balance between performance, camera capabilities, and battery life at an affordable price point. Please verify the latest specifications and features from official sources, as they may have changed after my last update.