To prevent this error in the future, you can use specialized tools to save SHSH blobs while iOS versions are still signed.
3uTools remains great for flashing stock IPSWs and fixing recovery loops. But for SHSH? The era of one-click blob saving is ending. error unable to request shsh 3utools 9 updated
Use an official Apple OEM or an MFi-certified Lightning/USB-C cable. To prevent this error in the future, you
: Although rare, Apple’s servers can experience downtime. You can check online for any reported outages or maintenance. The era of one-click blob saving is ending
If you are seeing while trying to downgrade to an old iOS (e.g., going from iOS 18 to iOS 17), you must accept that if Apple is not signing it, it cannot be done via traditional flashing . Your Options:
If you've exhausted all options with 3uTools, consider using a dedicated system repair tool like UltFone, FoneLab, or ReiBoot. These tools are designed to handle downgrades and system repairs, sometimes by using simpler interfaces that may bypass the specific roadblocks causing the error on 3uTools. For example, UltFone iOS System Repair offers an alternative method to downgrade an iOS device without needing SHSH blobs.