: At 9% of the "Easy Flash" progression, 3uTools halts to perform this check.
This error occurs because 3uTools cannot reach Apple's authentication servers or the servers are rejecting the request for an unsigned firmware version.
The best way to avoid the "Unable to Request SHSH" error is to be proactive:
Before trying complex fixes, verify that Apple is actually signing the firmware you want to install. how to fix error unable to request shsh on 3utools when top
: Some users find success by switching from "Easy Flash" to the iTunes Flash option within the 3uTools interface. Troubleshooting Steps Check for Updates Check Update at the bottom right of the 3uTools window. Verify Device ID : Some advanced users verify their device's EID on sh.host to ensure compatibility with the firmware version. Physical Connections
If by "when top" in your prompt you meant or "when trying to flash" , the steps above apply.
Alex remembered that Apple only "signs" certain firmware versions. If Alex was trying to downgrade to an iOS version that Apple had already "closed," the SHSH request would always fail because the server refused to provide the necessary digital key. Alex checked a site like : At 9% of the "Easy Flash" progression,
Click "Check for Updates" in the bottom right corner of 3uTools.
This error generally means 3uTools cannot communicate with Apple's signing servers (TSS) to get the "ticket" required to authorize the firmware installation.
If "Easy Flash" fails, the "Pro Flash" option can sometimes bypass this error. : Some users find success by switching from
Visit an authoritative verification tool like IPSW.me or check the Smart Flash section directly within 3uTools.
If the iOS version you are using is unsigned, you cannot bypass this unless you have previously saved custom local SHSH blobs for that exact device. Switch to a signed version instead. 2. Eliminate Network and Firewall Blocks
It sounds like you are trying to downgrade or restore an iOS device using 3uTools, and the process is failing with the error (often appearing with codes like -10, -11, or during the "Requesting SHSH" step).
If the standard steps didn't work, try one of these more advanced methods.