Use this if OPPO provides a firmware file directly (e.g., from support website or technician).
And he never trusted a blinking red light again.
If you’d like, I can provide: 1) exact admin‑URL and default credentials if you confirm your region, or 2) steps to download the correct firmware from OPPO’s support site for your region.
: Look for the Maintenance or Advanced Settings menu in the web interface.