Oppo A18 features a 6.56-inch HD+ LCD display with 720x1612 pixel resolution. The display offers 90 Hz refresh rate and 720 nits of peak brightness levels.
The budget smartphone comes with dual SIM support and runs Android 13 operating system topped with the company's own layer of ColorOS 13.1. Oppo A18 is powered by an octa-core MediaTek Hello G85 chipset paired with 4GB of RAM. The smartphone offers 128GB internal storage which can be expanded further by installing a microSD card.
Coming to photography, the Oppo A18 sports a dual rear camera setup with 16MP main sensor and 2MP depth sensor. Front is home to a 5MP selfie camera.
Oppo A18 comes equipped with a side-mounted fingerprint sensor and is backed by a 5000 mAh battery.