Opposite F3 Nougat Update Forum Xda [better] -

: There is no official Over-The-Air (OTA) update to Android 7.0 Nougat for the Oppo F3. Manual Check : You can verify your current version by navigating to Settings > About Phone > Software Update Updating via XDA Forums (Custom ROMs)

Since official support has ended, the only way to experience Nougat (or later) on the Oppo F3 is through custom software found on the Oppo F3 XDA Forum Important Considerations for Flashing: Opposite F3 Nougat Update Forum Xda

: Use two apps simultaneously in split-screen mode. : There is no official Over-The-Air (OTA) update

Then, the vibrator motor gave a sharp thrum . The teal circle of LineageOS spun into a crisp, clean home screen. It wasn't ColorOS anymore. It was pure, unadulterated Nougat. The teal circle of LineageOS spun into a

Users download the Nougat-based ROM (like LineageOS) and "flash" it through the recovery menu.

— , XDA Recognized Contributor (pending)