If your target version is unsigned, download the latest green-lit firmware from the 3uTools Firmware Section or IPSW.me, import it, and flash again. 3. Troubleshoot Network and Host Restrictions
If you are seeing "3utools 9 updated" in your search or logs, it implies you may be running a version that is struggling to communicate with Apple's updated servers.
: Apple actively stops "signing" older iOS versions shortly after a new update drops. If you are trying to flash an unsigned firmware without previously saved local SHSH blobs, the request will fail every time. error unable to request shsh 3utools 9 updated
Don’t wait until you need to restore. Set a reminder:
If the version is still signed but you still get the error, your network might be blocking the connection. If your target version is unsigned, download the
are digital signatures Apple issues when you install iOS. In older iOS versions, tools like 3uTools could request and save these signatures so you could downgrade later.
Try a different USB port on your computer, preferably one directly on the motherboard (the back of a desktop) rather than a front port or hub. 4. Switch Flash Modes : Apple actively stops "signing" older iOS versions
Because SHSH requests must travel from your PC to Apple's verification servers (gs.apple.com, api.apple‑cloudkit.com), any network disruption can interrupt the process. Firewalls, VPNs, DNS problems, or simply an unreliable internet connection can prevent 3uTools from completing the request.
Change the file type filter in the bottom corner from "Text Documents (*.txt)" to . Open the hosts file.
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