update the software or verify that the firmware you are trying to flash is still being signed by Apple Common Fixes Update 3uTools
: Ensure your computer has a stable internet connection. Firewall or antivirus settings can sometimes block the request to gs.apple.com (Apple's signing server). how to fix error unable to request shsh on 3utools when top
A stable connection is required to reach Apple's verification servers. update the software or verify that the firmware
update the software or verify that the firmware you are trying to flash is still being signed by Apple Common Fixes Update 3uTools
: Ensure your computer has a stable internet connection. Firewall or antivirus settings can sometimes block the request to gs.apple.com (Apple's signing server).
A stable connection is required to reach Apple's verification servers.