The dual-SIM (Nano) Samsung Galaxy A12 runs on Android 10 with One UI Core 2.5 on top and features a 6.5-inch HD+ (720x1,600 pixels) TFT Infinity-V Display with a 20:9 aspect ratio. It is powered by an octa-core MediaTek Helio P35 SoC, along with 4GB of RAM as standard. The smartphone comes with a quad rear camera setup that includes a 48-megapixel primary sensor with an f/2.0 lens, a 5-megapixel ultra-wide-angle shooter, a 2-megapixel macro shooter, and a 2-megapixel depth sensor. Samsung has also provided an 8-megapixel camera sensor at the front with an f/2.2 lens. In terms of storage, the Samsung Galaxy A12 has up to 128GB of onboard storage that is expandable via a microSD card (up to 1TB). The phone has a range of connectivity options that includes 4G LTE, Wi-Fi, Bluetooth, GPS/ A-GPS, USB Type-C, and a 3.5mm headphone jack. Sensors on board include an accelerometer, ambient light, magnetometer, and a proximity sensor. There is also a side-mounted fingerprint sensor.