this diagram is oppo a83 backlight ways only
Oppo A83 Specification:
The A83 from Oppo offers HD+ (720×1440) resolution on its 5.7-inch display, and as the resolution indicates, it has an 18:9 aspect ratio. The device is powered by a 2.5GHz chip, the MediaTek MT6763T Helio P23, and offers 3GB RAM and 32GB internal memory with support for expandable memory thanks to a dedicated microSD slot. The A83 comes with a 3180mAh battery and has a 13MP rear shooter and an 8MP selfie snapper on the front. The A83 is a dual SIM phone and runs on Android 7.1.