| Cause | Explanation | |-------|-------------| | | The iOS version is no longer being signed by Apple. SHSH blobs can only be saved while the firmware is still signed. | | Network/proxy blocking | 3uTools cannot reach Apple’s TSS server ( gs.apple.com ) due to firewall, VPN, or proxy settings. | | 3uTools server-side issue | 3uTools relies on its own relay/proxy to fetch blobs; if their backend is down or rate-limited, this error appears. | | Device ECID mismatch | Rare but possible – ECID not read correctly from device. | | Outdated 3uTools version | Older versions may use deprecated APIs or server endpoints. |
If "Easy Flash" fails, try using the option within 3uTools: Go to the Smart Flash tab.
: Check if the iOS version has a green dot in the 3uTools firmware list. If it is unsigned (no green dot), Apple will not provide the SHSH blobs required for the flash. 3utools error unable to request shsh hot
For a tool that prides itself on being an all-in-one solution for iOS devices, having a broken feature for SHSH blobs—which is critical for downgrades and jailbreak preservation—is disappointing. The error message itself is vague and doesn't offer much guidance on how to fix it.
When attempting to request or save SHSH blobs for an iOS device (typically for firmware signing status check or downgrade preparation), 3uTools fails and returns the error: . The process does not complete, and no blobs are saved. | Cause | Explanation | |-------|-------------| | |
You might see this error phrased in different ways:
You are using an old version of 3uTools that doesn't support the latest iOS protocols. | | 3uTools server-side issue | 3uTools relies
If 3uTools continues to fail, alternative tools like iMazing have been known to bypass some proprietary flashing bugs.