Historically, OPPO has been slower with major Android version upgrades for its older mid-range "Selfie Expert" series.
Before attempting any update from a forum, ensure you , as manual flashing via custom recovery (like TWRP) typically wipes the device. oppo f3 plus nougat update forum xda updated
The , originally launched in early 2017 with Android 6.0 Marshmallow and ColorOS 3 , has had a long and winding journey regarding software updates. While official support eventually moved toward ColorOS 3.1 based on Android 7.1 Nougat, many users have looked to XDA Developers to find updated firmware or stable custom ROMs when official OTA (Over-the-Air) updates were unavailable. Official vs. Unofficial Nougat Update Historically, OPPO has been slower with major Android
Updating your F3 Plus to Nougat (whether through official ColorOS 3.1 or a custom ROM) provides: While official support eventually moved toward ColorOS 3
A built-in blue light filter to reduce eye strain.
Improved control over background app data usage.
OPPO eventually released an official Nougat-based ColorOS 3.1 update for the F3 Plus, which brought features like split-screen multitasking, an improved notification shade, and better battery management.