: Once finished, a green ring or "Download OK" message will appear. Disconnect your phone and reboot it. Official Alternatives
: Turn off your Oppo phone. Press and hold the Volume Up or Volume Down button while connecting it to your PC via a USB cable. download-oppo-flash-tool-rar
For a safer experience, Oppo provides the OPPO System Upgrade Tool (also known as ColorOS Assistant). This tool is recommended for standard updates and requires a Windows 10/11 64-bit PC with at least 1GB of RAM. Important Safety Tips : Once finished, a green ring or "Download