This video provides a comprehensive guide on how to troubleshoot common issues that prevent iPhone users from logging into Facebook via the Safari browser. It covers 7 core solutions, including checking network connectivity, clearing browser cache, managing Safari extensions, verifying time settings, adjusting VPN/proxy configurations, and resetting network settings. The video offers detailed step-by-step instructions, showing the exact navigation paths within the Settings app to access each function. By following these methods, users can systematically identify and resolve technical factors causing login failures, such as interference from outdated cache data, conflicts with extensions, or time certificate validation errors. This hands-on tutorial is designed for iPhone users experiencing Facebook login errors, page loading failures, or account redirection issues within Safari, enabling them to perform quick self-troubleshooting.