: Select your language (e.g., English), tap Install from storage device , select From SD card , and choose your firmware file.
However, for users already on ColorOS 11, there is no need to keep checking for updates daily. The phone has reached the end of its official software lifecycle. If you need a fresher experience, it might be time to look at custom ROMs (if you are tech-savvy) or consider upgrading your hardware. oppo cph1933 ota update
If the server says you are up to date but you know a newer version exists for your region, try switching from Wi-Fi to Mobile Data (or vice versa) to force the phone to query a different server node. : Select your language (e