It is strongly recommended to back up all personal data before starting the process to avoid loss during the flash.
To see if a newer version of ColorOS (which may include Android 7.0 features) is available for your device: Open the app on your Scroll down and tap on Software Updates . The device will automatically check for available updates. oppo f3 android 7 update download
Safety and troubleshooting tips
Ensure your phone has at least 40% battery or is plugged into a charger during the process to avoid interruptions. It is strongly recommended to back up all
