To update your (CPH1609) to Android 7.1 , you typically need to perform a manual installation. While the device originally launched with Android 6.0 Marshmallow, a stable Nougat update (ColorOS 3.1) was eventually released for specific regions. e/OS community 📥 Official Update Requirements Oppo F3 (CPH1609) Target Version: Android 7.1.1 Nougat / ColorOS 3.1 File Type: firmware package free on internal storage 🛠️ Step-by-Step Installation Guide If the update does not appear in your Settings > Software Updates menu, follow these steps to flash it manually: Backup Data:

: OPPO F3 Nougat update file download, OPPO F3 Nougat update, OPPO F3 Android 7.0 update, OPPO F3 Nougat update file.

: Third-party developers released unofficial versions, such as a LineageOS ROM based on Android 7.1.1, for those willing to flash their devices manually.

Connect to a supported region and check for updates again in your phone settings. 3. Unofficial Custom ROMs

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.