Oppo focused its development resources on optimizing ColorOS 3.0 for the F3 stability rather than rebuilding the skin on top of Android Oreo.
The Oppo F3 (CPH1609) reached its end-of-life status for software support several years ago. : Android 6.0 Marshmallow. Oppo F3 Update 8.0 Download
along with the on a Windows computer.
: Known for its clean, stock-Android user interface, excellent battery optimization, and strict privacy controls. Oppo focused its development resources on optimizing ColorOS
If your phone is running an older build of Android 6.0 and missed the final minor system patches rolled out by the manufacturer, you should check for official updates through safe, legal channels. Method 1: On-Device OTA Check Connect your phone to a stable . Open the Settings menu. Scroll down and select Software Updates . along with the on a Windows computer
If OTA fails, you can manually download the official update package from Oppo’s support mirrors (Exercise caution: only use official or highly trusted sources).