If you're using 3utools to update your device via Wi-Fi, try using a USB connection instead. Alternatively, you can try updating your device using iTunes.
option within the 3uTools Flash & JB section can bypass these internal software errors. Verify Apple's Signing Status how to fix error unable to request shsh on 3utools when upd
utility instead of the standard "Easy Flash" could sometimes bypass this specific bug. If you're using 3utools to update your device
When "Easy Flash" failed again at 9%, he switched gears. According to community tips on , using the iTunes Flash how to fix error unable to request shsh on 3utools when upd
: Disconnect from your current Wi-Fi and connect your PC to a mobile hotspot generated by a cellular device. This bypasses local router blocks. Alternative Solutions