The "Unable to request SHSH" error in 3uTools typically occurs around the during a flash or restore process. It generally signifies that 3uTools cannot verify the firmware's digital signature with Apple's servers. Common Causes
Use a USB port directly on the motherboard (on the back of a PC) rather than a front-panel port or hub. 3utools Error Unable To Request Shsh
In some rare cases, the error is insurmountable. You should stop trying if: 9% mark The "Unable to request SHSH" error
Using an older version of 3uTools that does not support newer device hardware or Apple's updated server protocols. Network Issues: Local security software interfering: Using an older version
