The situation where an iPhone displays a persistent “verifying update” message during the iOS 18 installation process indicates an interruption or error preventing the software from being properly authenticated and installed. This halt in the update cycle leaves the device temporarily unusable until the process completes or is bypassed through troubleshooting.
This problem can arise from multiple factors, including unstable network connectivity, insufficient storage space on the device, or corrupted update files. Overcoming this issue is crucial for users to access the latest security patches, performance enhancements, and new features offered in the updated operating system, ensuring optimal device performance and protection against potential vulnerabilities.