Oppo A54s mobile was launched on 28th October 2021. The phone comes with a 6.52-inch touchscreen display with a resolution of 720x1600 pixels at a pixel density of 269 pixels per inch (ppi) and an aspect ratio of 20:9. Oppo A54s is powered by a 2.3GHz octa-core MediaTek Helio G35 processor. It comes with 4GB of RAM. The Oppo A54s runs Android 11 and is powered by a 5000mAh battery. The Oppo A54s supports proprietary fast charging.

As far as the cameras are concerned, the Oppo A54s on the rear packs a triple camera setup featuring a 50-megapixel primary camera with an f/2.2 aperture; a 2-megapixel camera with an f/2.4 aperture, and a 2-megapixel camera with an f/2.4 aperture. It has a single front camera setup for selfies, featuring an 8-megapixel sensor with an f/2.0 aperture.

The Oppo A54s runs ColorOS 11.1 is based on Android 11 and packs 128GB of inbuilt storage. The Oppo A54s is a dual-SIM (GSM and GSM) mobile that accepts Nano-SIM and Nano-SIM cards. The Oppo A54s measures 163.80 x 75.60 x 8.40mm (height x width x thickness) and weighs 190.00 grams. It was launched in Crystal Black and Pearl Blue colours.

Connectivity options on the Oppo A54s include Wi-Fi, GPS, Bluetooth v5.00, 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 fingerprint sensor. The Oppo A54s supports face unlock.