Shsh — Host

: While the version is still signed, use a tool like TinyUmbrella, iFaith, or even command-line tools like tsschecker to request and save the SHSH blob for your specific device. Always specify your device's ECID.

Here's how it worked: You would add a line to your hosts file redirecting gs.apple.com (Apple's signing server) to Saurik's server IP address. Then, when iTunes tried to verify a restore with Apple, it would be tricked into contacting Saurik's server instead. If you had previously saved your SHSH blob there, the server would provide it, and the restore would succeed even though Apple was no longer signing that version. in iTunes was the infamous sign that Apple had denied the request, often because the hosts file trick wasn't set up correctly. shsh host

Since shsh.host is currently considered inactive by many in the community, you might consider these alternatives: : While the version is still signed, use