Oppo recently introduced its new Reno lineup with four cameras, but now another series is also getting the quad-cam treatment. The Oppo A9 2020 appeared on the Facebook page of the Vietnamese division of the company and it looks intriguing - four shooters with the main being 48 MP, 5,000 mAh battery and 8 GB RAM. The phone is expected to have 6.5" display and we are hearing it might have an HD+ screen, although with such specs, a 1080p resolution is more believable. It should be an LCD, since the fingerprint scanner is on the back, below the camera setup. A separate leak...