If available, download the firmware (.zip) to your phone's storage. Power off the phone, then hold Power + Volume Down to enter Recovery Mode.
Since this requires wiping your data, use the Oppo Clone Phone or a PC backup tool first. Where to Find Downloads oppo f3 android 8 update download
Even without Android 8, you should ensure your device is on the latest available official firmware for security and stability. OTA (Over-the-Air) Update Software Update If available, download the firmware (
Some regions saw a limited beta for Android 7.1.1 Nougat (ColorOS 3.1), but it was never widely rolled out as a final stable build for all global variants. Where to Find Downloads Even without Android 8,
If you'd like to try installing a or need help finding the official firmware to fix a slow phone:
Unlocking your bootloader and flashing custom software will permanently void any remaining manufacturer warranty.
Check official support