Oppo K9 Pro mobile was launched on 27th September 2021. The phone comes with a 6.43-inch touchscreen display with a resolution of 1080x2400 pixels at a pixel density of 409 pixels per inch (ppi).Oppo K9 Pro comes with 8GB of RAM. The Oppo K9 Pro runs Android 11 and is powered by a 4500mAh battery.

As far as the cameras are concerned, the Oppo K9 Pro on the rear packs a triple camera setup featuring a 64-megapixel primary camera with an f/1.7 aperture; an 8-megapixel camera with an f/2.2 aperture, and a 2-megapixel camera with an f/2.4 aperture. It has a single front camera setup for selfies, featuring a 16-megapixel sensor with an f/2.4 aperture.

The Oppo K9 Pro runs ColorOS 11.3 is based on Android 11 and packs 128GB of inbuilt storage. The Oppo K9 Pro is a dual-SIM mobile that accepts Nano-SIM and Nano-SIM cards. The Oppo K9 Pro measures 158.70 x 73.50 x 8.50mm (height x width x thickness) and weighs 180.00 grams. It was launched in Glacier Overture and Obsidian Warrior colours.

Connectivity options on the Oppo K9 Pro include Wi-Fi 802.11 a/b/g/n/ac, GPS, Bluetooth v5.20, NFC, and USB Type-C. Sensors on the phone include accelerometer, ambient light sensor, gyroscope, proximity sensor, and in-display fingerprint sensor.