: Download the OPPO System Upgrade Tool on your computer, connect your phone, and follow the prompts to install available firmware. 2. Manual Firmware Installation (Flash)
There is for the OPPO F3 . The device officially stopped receiving major OS updates after Android 7.1.1 (Nougat) . Update Status Summary oppo f3 android 8 update download full
has concluded, and no further major Android version upgrades are expected. How to Check for Official Updates : Download the OPPO System Upgrade Tool on
Before exploring risky unofficial methods, ensure your device is running the latest official version provided by OPPO. connect your phone
You will need to search XDA Developers or trusted Android forums for a working build.