If you want to troubleshoot further, tell me you are using and what iOS version you are trying to install. I can verify if that firmware is still being signed or guide you through the exact DFU mode steps for your device! Share public link
If a new iOS version was just released (e.g., iOS 17.x) and you are trying to save blobs immediately, your version of 3uTools might not be updated to recognize the new signing protocols.
3uTools has a built-in feature designed to fix issues during the flashing process. Open 3uTools and go to . Select the firmware you want to flash. Check the box for "Fix Flash" in the options. Try flashing again. 2. Re-download the Firmware
Add a # at the beginning of those lines to disable them, or delete those lines entirely. Save the file and restart your computer. 4. Update 3uTools and iTunes Drivers
: Apple only allows the installation of iOS versions it currently "signs". You can check which versions are available for your specific device at ipsw.me . If the version you are trying to flash is no longer signed, the request will fail.
: 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
Proceed to the next fixes.
Check the section in 3uTools to see if the firmware has a green "Signed" indicator next to it.
How To Fix Error Unable To Request Shsh On 3utools When New Jun 2026
If you want to troubleshoot further, tell me you are using and what iOS version you are trying to install. I can verify if that firmware is still being signed or guide you through the exact DFU mode steps for your device! Share public link
If a new iOS version was just released (e.g., iOS 17.x) and you are trying to save blobs immediately, your version of 3uTools might not be updated to recognize the new signing protocols.
3uTools has a built-in feature designed to fix issues during the flashing process. Open 3uTools and go to . Select the firmware you want to flash. Check the box for "Fix Flash" in the options. Try flashing again. 2. Re-download the Firmware how to fix error unable to request shsh on 3utools when new
Add a # at the beginning of those lines to disable them, or delete those lines entirely. Save the file and restart your computer. 4. Update 3uTools and iTunes Drivers
: Apple only allows the installation of iOS versions it currently "signs". You can check which versions are available for your specific device at ipsw.me . If the version you are trying to flash is no longer signed, the request will fail. If you want to troubleshoot further, tell me
: 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
Proceed to the next fixes.
Check the section in 3uTools to see if the firmware has a green "Signed" indicator next to it.