To fix the "Unable to request SHSH" error in 3uTools (often occurring at the 9% or 19% mark), you typically need to update the 3uTools software
If you've recently tried to flash or restore your iPhone and hit the dreaded "Unable to request SHSH" error at 9%, you aren't alone. This error basically means 3uTools cannot get the "digital thumbprint" (SHSH blob) from Apple’s servers required to authorize the installation. 1. Update 3uTools to the Latest Version how to fix error unable to request shsh on 3utools when new
Switch Networks: If you are on a restrictive office or school Wi-Fi, try using a mobile hotspot. Update 3uTools to the Latest Version To fix the "Unable to request SHSH" error
If 3uTools stubbornly fails, the issue may be with the tool itself, not your device. TSS Saver is a web-based SHSH saver created by tihmstar. It never fails for new devices because it queries Apple’s servers directly. Update 3uTools to the Latest Version Switch Networks:
USB Connection: Use an original Apple lightning or USB-C cable and try a different USB port on your computer to rule out data transfer interruptions. Advanced Solutions
Update 3uTools to the Latest Version: This is the most effective fix. New iOS versions often require updated algorithms in 3uTools to communicate with Apple's servers. Click "Check Update" at the bottom right of the 3uTools interface and install any available updates.