To resolve this issue, follow these troubleshooting steps in order. Verify Apple's Signing Status
At what exact does the 3uTools progress bar crash?
Check sites like IPSW.me to see if the firmware is still green (signed). how to fix error unable to request shsh on 3utools when new
Apple strictly limits which iOS versions can be installed. If you are attempting to downgrade to an older or unsigned version of iOS, the server will block the SHSH request. Navigate to the tab in 3uTools.
Go to IPSW.me, select your device, and check the signed IPSW list. To resolve this issue, follow these troubleshooting steps
Plug your phone into your computer using an official Apple OEM cable.
If 3uTools consistently fails, consider using or official iTunes to perform the restore, which can sometimes bypass specific 3uTools communication errors. Apple strictly limits which iOS versions can be installed
| Step | Action | |------|--------| | ✅ | iOS version still signed? | | ✅ | Update 3uTools to latest | | ✅ | Run as admin | | ✅ | Switch SHSH server (Auto/Apple/3uTools) | | ✅ | Disable firewall temporarily | | ✅ | Try TSS Saver website as fallback |