3uTools is great, but it’s not the only tool. Use the online TSS Saver ( tsssaver.1conan.com ) to fetch blobs using your device ECID. This bypasses 3uTools entirely.
Every time you restore an iPhone or iPad, the device requests permission from Apple’s servers. If Apple has stopped "signing" that specific version of iOS, the server rejects the request, halting your flash progress precisely at 9%. Primary Causes of the SHSH Request Error
If standard "Easy Flash" fails, some technicians recommend trying different flash modes, though this carries data loss risks. Summary of Limitations
: If the error consistently occurs at exactly 9% or 19% and other fixes fail, it could indicate a hardware issue with the device's NAND (memory) chip , preventing it from accepting the signature.
How to Fix 3uTools 9% ERROR Unable to request SHSH Latest 3utools Error Unable To Request Shsh
If you have used other tools like TinyUmbrella or iTunes patches in the past, your computer’s "hosts" file might be redirecting Apple’s server requests to a dead end. Navigate to C:\Windows\System32\drivers\etc . Open the hosts file with Notepad.
If it is red, Apple has stopped signing it, and you cannot install it. 3. Fix Network Issues
Before troubleshooting the error, you need to understand the technology behind it.
: Your computer’s firewall, antivirus, or host files are blocking connections to Apple’s verification servers. 3uTools is great, but it’s not the only tool
Old versions of 3uTools may not communicate correctly with Apple's current servers. Open 3uTools.
Apple signs a new iOS version for only 1–3 weeks sometimes. The moment a new iOS drops, open 3uTools → Save SHSH → Save all available versions. Store these blobs on an external drive.
: Apple only allows restores to "signed" firmware versions. If you are trying to downgrade to an older, unsigned version, it will fail unless you have saved SHSH blobs for that specific device previously.
In these cases, your only option is to restore to the using iTunes or Finder. Every time you restore an iPhone or iPad,
: Open 3uTools and go to the Smart Flash tab. Look at the firmware list for your specific device model.
Now try flashing while in DFU mode.
The is a rite of passage for iOS enthusiasts. While frustrating, it is almost never a fatal error. In 90% of cases, it simply means you are trying to install a firmware version Apple no longer approves of.
October 26, 2023 Subject: Analysis of SHSH Blob Request Failures in 3uTools Component: S_Agent (Signing Service Module) / Network Communication
You can prevent this error and protect your ability to manage your device's iOS version by following these steps: