Oppo mobile phone developer options are in the system settings. OPPO mobile phone developer options are a feature hidden in device settings that provide advanced options and debugging tools for developers to use when developing and debugging applications. Set the system settings page of the app. OPPO is mainly engaged in the manufacturing and sales of mobile terminal equipment, manufacturing of film and television recording and playback equipment, TV manufacturing, software development and other businesses. OPPO’s business has spread to more than 60 countries and regions around the world. More than 40,000 OPPO employees are committed to technological innovation. ColorOS achieves full coverage of system applications and creates a free and borderless experience for 600 million global users. OPPO has more than 95,000 global patent applications and more than 51,000 global authorizations.