: Technicians often use code *#899# to access a factory test menu directly on the device. Risks of Third-Party "Official" Tools
Before looking for external ZIP files, your OPPO phone already has powerful built-in tools: download-oppo-official-service-tool-technical-micky-com-zip
: Visit the OPPO Global ROM page and download the ColorOS Assistant. : Technicians often use code *#899# to access