unless you’re an experienced Android modder. The F3 lacks official Oreo, and custom ROMs will have broken features (camera, VoLTE, fingerprint, etc.). Your phone will also lose warranty and SafetyNet (Google Pay won’t work).
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.
Once in recovery mode, use volume buttons to navigate
The larger F3 Plus faces the same update situation. Neither the standard F3 nor the F3 Plus received Android 8.0 Oreo. Both devices received Nougat, and that's where official support ended.
If you want, I can:
no official Android 8 (Oreo) update for the OPPO F3. The device officially runs on Android 6.0 (Marshmallow)
The Oppo F3 originally shipped with and ColorOS 3 . While some regions received a beta update or official migration to Android 7.1 Nougat , the manufacturer never rolled out an official migration to Android 8 Oreo. Last Official Version: Android 7.1 Nougat (ColorOS 3.1).
Modifying your phone's software carries risks. Ensure you complete these steps first:
This guide covers how to check your current version, how to attempt the official update, and the risks involved in manual flashing.
did not receive an official Android 8.0 Oreo update from OPPO. The device officially remains on Android 6.0 Marshmallow
If no OTA update is available, manual installation is your only option. However, remember that no official Oreo firmware exists for the F3. Consider installing a custom ROM (see Part 8) if you truly need a newer Android version.