To fix the "Unable to request SHSH" error on 3uTools, you typically need to update 3uTools to the latest version , check your network connection , or verify that Apple is still signing the iOS version you are trying to install
However, a common roadblock appears when you try to update or restore a device via "iTunes Flash" or "Easy Flash" in 3uTools. You click start, wait a few minutes, and then the screen turns red with the dreaded message: how to fix error unable to request shsh on 3utools when upd
Believe it or not, unstable USB connections can interrupt the SHSH request mid-process. To fix the "Unable to request SHSH" error