Try a different USB cable or a different USB port on your computer.
Disclaimer: Modifying iOS firmware carries risks, including voiding warranties or bricking devices. Always back up your data before using 3uTools. This guide is for educational purposes. 3utools Error Unable To Request Shsh
Based on user experiences and official documentation, here is how to address the error: How to Check 3uTools on iPhone for Legitimacy Try a different USB cable or a different
Check your computer's "hosts" file (found in C:\Windows\System32\drivers\etc\ ). If there are lines containing "apple.com," delete them, as they may be redirecting the request to the wrong server. " delete them
Additional details / error logs: