Now that we've identified the potential causes, let's move on to the solutions:
Facing the "Unable to request SHSH" error in 3uTools—typically stalling at the 9% mark during a flash—is a common roadblock that essentially means 3uTools cannot get the "digital signature" from Apple to authorize your firmware installation Here is how to troubleshoot and fix this issue: Core Solutions Update 3uTools and iTunes how to fix error unable to request shsh on 3utools when top