First, it’s important to clarify a key point: There is no widely known smartphone model called the “Opposite F3.” This appears to be a common typo or misspelling of the Oppo F3 (a mid-range device released by Oppo in 2017) or potentially a confusion with the OnePlus 3 (whose model number is A3000, sometimes mis-typed).
Default OS: The Oppo F3 was released with Android 6.0 Marshmallow and ColorOS 3.0. Opposite F3 Nougat Update Forum Xda
One of the most valuable threads on XDA is the “PSA: Fake Opposite F3 Nougat Updaters” sticky. Scammers create APK files claiming they are “Official Opposite Update Agents.” These are malware. First, it’s important to clarify a key point:
