The "Unable to Request SHSH" error in 3uTools typically occurs during the firmware flashing or jailbreaking process when the software cannot retrieve the necessary digital signatures ( SHSH blobs
gs.apple.com or place a # at the beginning of those lines to comment them out.To fix the "Unable to Request SHSH" error (often occurring at 9% during a flash) on 3uTools, you must primarily ensure you are using the latest version of the software and that Apple is still signing the firmware you are attempting to install. Common Fixes
Unsigned iOS Version: Apple has stopped "signing" the firmware version you are trying to install. You generally cannot restore to an unsigned version without previously saved SHSH blobs. How To Fix Error Unable To Request Shsh On 3utools When
Verify Firmware Signing StatusYou can generally only flash iOS versions that Apple is currently signing. Check the signing status on sites like the 3uTools Tutorial Page or external firmware databases. If a version is "closed" or unsigned, 3uTools cannot request the necessary SHSH blob to authorize the install.
If you're still encountering the error, try using a different computer or device to see if the issue is specific to your current setup. The "Unable to Request SHSH" error in 3uTools
Old versions may have broken API endpoints or outdated certificate lists.
resolves the issue, especially if the error occurs around the 9% mark during flashing. Use "iTunes Flash" Mode: Instead of using "Easy Flash," switch to the iTunes Flash utility within 3uTools. Some users on Delete any lines containing gs
This error usually halts the process of signing a firmware file (IPSW), preventing you from utilizing the "Pro Flash" or "Easy Flash" features. Fortunately, this is rarely a hardware issue. It is almost always related to network connectivity or Apple’s signing servers.