Oppo is rumored to be working on a new A-series smartphone, the Oppo A3. This information comes from a TENAA listing, which reveals some of the purported specifications of the device. According to the listing, the Oppo A3 will sport a 6.67-inch AMOLED display, an octa-core processor with a maximum clock speed of 2.2GHz, and up to 12GB of RAM and 512GB of storage. It will also feature a dual rear camera unit with a 50-megapixel primary sensor, a 16-megapixel selfie camera, and a 5,500mAh battery with support for 33W fast charging.