Oppo F19s mobile was launched on 27th September 2021. The phone comes with a 6.43-inch touchscreen display with a resolution of 1,080x2,400 pixels at a pixel density of 409 pixels per inch (ppi) and an aspect ratio of 20:9. It comes with 6GB of RAM. The Oppo F19s runs Android 11 and is powered by a 5,000mAh battery. The Oppo F19s supports proprietary fast charging.

As far as the cameras are concerned, the Oppo F19s on the rear packs a triple camera setup featuring a 48-megapixel primary camera with an f/1.7 aperture; a 2-megapixel camera with an f/2.4 aperture, and a 2-megapixel camera with an f/2.4 aperture. The rear camera setup has autofocus. It has a single front camera setup for selfies, featuring a 16-megapixel sensor with an f/2.4 aperture. The front camera also features autofocus.

The Oppo F19s runs ColorOS 11.1 is based on Android 11 and packs 128GB of inbuilt storage that can be expanded via microSD card (up to 256GB). The Oppo F19s is a dual-SIM (GSM and GSM) mobile that accepts Nano-SIM and Nano-SIM cards. The Oppo F19s measures 160.30 x 73.80 x 7.95mm (height x width x thickness) and weighs 175.00 grams. It was launched in Glowing Black and Glowing Gold colours.

Connectivity options on the Oppo F19s include Wi-Fi, GPS, USB OTG, USB Type-C, 3G, and 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include accelerometer, ambient light sensor, compass/ magnetometer, gyroscope, proximity sensor, and in-display fingerprint sensor.