If you cannot find the update via , consider these alternative methods: 1. Official Firmware Download

A built-in blue light filter (Amber light) to reduce eye strain at night.

If you are forced to download from a third-party site, verify the file's MD5 checksum against a database on XDA Developers if available. If you cannot find a clean file, it is safer to keep the device on its current working OS rather than risking a hard brick with a corrupted Nougat file.

Because official support for this older model has largely ended, official download pages may no longer list the F3 prominently. You can still find the firmware on community-driven or archival sites:

The OPPO F3 is an older device (released in 2017). The official Android 7.0 (Nougat) update rollout has likely concluded, and official download links from OPPO servers are often deprecated or removed. Additionally, downloading firmware from unauthorized "top" search results can be dangerous, often containing malware or corrupted files that can "brick" your device.