Oppo A9 2020 Firmware
: Power off the device. Press and hold Power + Volume Down until the Oppo logo appears. Release both buttons.
OPPO A9 (2020) CPH1941 Dual-SIM 128GB ROM + 4GB RAM (GSM Only Oppo A9 2020 Firmware
Oppo does not publicly release full OFP files, but authorized service centers and some developer communities provide them. Reliable sources include: : Power off the device