For the most current "updated" status, the XDA Developers OPPO F3 Plus Forum remains the primary hub for:

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.

Updating your F3 Plus to Nougat (whether through official ColorOS 3.1 or a custom ROM) provides:

If you haven't received an OTA, users often download the firmware directly from OPPO's official support page and install it manually via Recovery Mode. Why Check XDA Forums?

Before attempting any update from a forum, ensure you , as manual flashing via custom recovery (like TWRP) typically wipes the device.

Improved control over background app data usage.

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