If you encounter the "Unable to request SHSH" error on a new device with 3uTools:
Close 3uTools completely, disconnect your iPhone/iPad, restart your PC, and launch 3uTools again. 4. Check Your Internet Connection & VPN/Firewall
: Open your PC's Command Prompt as an Administrator and execute the command: ipconfig /flushdns .
Once you’ve fixed the “unable to request SHSH” error, here’s how to avoid it with future iOS releases: how to fix error unable to request shsh on 3utools when new
When 3uTools throws the "Unable to request SHSH" error, it means the software failed to secure this signature. The most common reasons include:
Ensure that your device and its firmware are supported by 3uTools for SHSH requests.
| 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 | If you encounter the "Unable to request SHSH"
Have a different error code? Let us know in the comments. For the latest 3uTools updates and new iOS jailbreak news, bookmark this page.
: Every time you flash an iPhone or iPad, 3uTools requests this specific cryptographic token from Apple's servers.
3uTools does not always reflect real-time signing changes. A new iOS version becomes unsigned within 1–3 weeks after a newer build is released. But sometimes, Apple stops signing a version just hours after a minor update. Once you’ve fixed the “unable to request SHSH”
Once 3uTools detects the device in DFU mode, the software bypasses several minor device-side checks, which often allows the SHSH request to pass successfully.
3uTools allows you to change the source for blob requests.
