An unstable internet connection or a firewall is blocking the request to Apple’s servers.
Copy your device's or EID from the 3uTools main interface. how to fix error unable to request shsh on 3utools when top
Ensure you're running the latest version of 3uTools: An unstable internet connection or a firewall is
Look at the firmware download section in 3uTools or check a status site like IPSW.me . how to fix error unable to request shsh on 3utools when top
. SHSH blobs are digital signatures that Apple uses to authorize firmware restores. 1. Update 3uTools to the Latest Version