Here’s a clear, step-by-step guide you can use or share:
usually occurs because the iOS version you are trying to install is no longer being "signed" by Apple how to fix error unable to request shsh on 3utools when new
and freezes. "Unable to request SHSH" flashes across the screen. Here’s a clear, step-by-step guide you can use
: Apple only provides SHSH blobs for iOS versions they are currently "signing". If you are trying to restore to an older version (downgrading) that Apple has stopped signing, the request will always fail. If you are trying to restore to an
3uTools requires a stable connection to both its own servers and Apple’s TSS (Teleservices Software Server).
Run as Administrator and retry
Use a port directly on the motherboard (back of the PC) rather than a front-panel port or a hub.