Citingmedia 91Mobile reported that following the appearance of the Singapore IMDA and Indonesia certification platform in December last year, the entry model “CPH2015” OPPO A31 has passed the U.S. FCC certification, and has released some new images and key specifications. According to the authentication documents, the OPPO A31 is equipped with a drop screen design, with a volume key on the left, a power button on the right, a 3.5mm headphone port at the bottom, and a MicroUSB port and speaker grille.
According to FCC certification documents, the machine is 164 x 75.5mm in size and diagonal length of 173mm, and should be equipped with a screen of about 6.5 inches. The schematic shows a vertically arranged three-camera design on the back of the body with an Android 9 Pie-based ColorOS 6.1.2 interface. The file also shows that the OPPO A31 is equipped with a 4100mAh battery and a 5V/2A adapter.