You can look for "official" Nougat ROMs often hosted on community-shared links, though caution is advised as these are not always stable. Steps:
(model CPH1609) was officially released with Android 6.0 Marshmallow . While an official Android 7.1 Nougat oppo f3 nougat update file download top
Reply to messages directly from the notification bar without opening the app. You can look for "official" Nougat ROMs often
If you wish to see if an update is available for your device without using unofficial files, follow these steps: : Navigate to the Settings menu on your phone. If you wish to see if an update
This article provides the most trusted sources, the correct file versions, and a failsafe installation guide.
If you cannot find a working Nougat update file, your current Marshmallow/ColorOS 3.0 is still stable. Consider custom ROMs (LineageOS 14.1) if you are an advanced user.