To ensure you have the absolute latest version available for your specific region, follow these steps:
The situation was further complicated by Oppo’s software strategy at the time. The company was transitioning from ColorOS 3.0 to ColorOS 5.0 (which was based on Android 8.1). In many regions, Oppo seemingly skipped the Android 7.0 Nougat iteration entirely for the F3, attempting to jump straight to Oreo. However, the implementation was spotty. Many users who successfully updated found that while the Android version number changed, the user interface remained heavily locked down. The much-vaunted "Project Treble" benefits were often neutered by Oppo's proprietary modifications, meaning the update did little to solve the underlying fragmentation issues. oppo f3 android 8 update download
Never download a “stock Android 8 update” for OPPO F3 from any forum that isn’t XDA-Developers or a trusted development group. To ensure you have the absolute latest version
Installing an unofficial OS voids your warranty (if any remains) and can brick your phone if done incorrectly. However, the implementation was spotty
The Oppo F3 (Model CPH1609) was released in 2017 with Android 6.0 (Marshmallow) out of the box. Officially, Oppo released the Android 8.1 (Oreo) update for this device in mid-2018.