How to Fix "Unable to Request SHSH" Error in 3uTools The error (often occurring at the 9% mark during flashing) typically means 3uTools cannot communicate with Apple’s servers or the firmware you are trying to install is no longer authorized by Apple. Why This Happens
. This involves copying your device's EID, pasting it into the site to check for available signed versions, and verifying they match what you are trying to flash. Hosts File Check
"iTunes Flash" often has better compatibility than "Easy Flash". Check Cable/USB A faulty connection can drop the request mid-process.
Sometimes the error occurs because the device is in Recovery Mode (Connect to iTunes screen) rather than DFU Mode (Black screen). DFU mode allows for a lower-level connection that bypasses some verification hurdles.