The OPPO F3 is a legacy device (launched 2017) that has reached End of Life (EOL) for official major OS updates. The “Version 80” update likely refers to a for ColorOS 3.0 (Android 6.0 Marshmallow) or ColorOS 5.2 (Android 7.1). Official direct OTA download links are not publicly listed by OPPO. Users must rely on OTA push, third-party firmware archives, or manual recovery flashes.
This is the safest method. Oppo rolls out updates in batches, meaning not all phones get the update on the same day. oppo f3 update 80 download link
Select "Install from storage device" -> "From SD card" . The OPPO F3 is a legacy device (launched