: Older versions of 3uTools may have bugs or outdated server communication protocols that prevent successful SHSH requests. Internet and Server Issues
If you want to use an older iOS version that Apple closed, you must have saved your in the past. If you never saved them while Apple was still signing that version, you cannot downgrade your device.
Your internet connection is unstable or blocking 3uTools. How To Fix Error Unable To Request Shsh On 3utools When
: This is the most effective fix. Click "Check Update" at the bottom right of the 3uTools interface or download the latest version from the official 3uTools website .
: If "Easy Flash" fails, try using the "iTunes Flash" option within the 3uTools Flash & JB tab. Check Hardware Connections : Use an original Apple USB cable . : Older versions of 3uTools may have bugs
Sometimes manually selecting a specific iOS version creates a mismatch with the device's current state or Apple's server logic.
to confirm if the firmware you are trying to install is still being signed by Apple. If there is a red "X" next to the version, you generally cannot flash it without previously saved SHSH blobs. Check Internet & Connection: Your internet connection is unstable or blocking 3uTools
3uTools will detect the device in "DFU Mode" rather than "Recovery Mode".
: For advanced users, you can try using a third-party host like shsh.host by copying your device's ECID or EID and pasting it into the target field to manually request an AP ticket. Why This Error Happens
: Firewalls or security software blocking Apple's verification servers ( ://apple.com ).