Oppo is preparing to launch a new affordable phone, called Oppo A1s. Its first pictures leaked from NBTC (National Broadcasting and Telecommunications Commission), a regulator in Thailand. The name A1s is not yet confirmed - we only know the CPH1925 model number, but looking at its basic look, it will pretty much fall in the lower price segment. Oppo A1s back and front We can see from the photos that the phone has a dual camera on the back and a big screen with a notch for the selfie shooter on the front. There is a microUSB on the bottom, right next to the 3.5 mm audio...