If you are getting this error because the firmware is , you generally cannot proceed. The only exception is if you have saved SHSH blobs for that specific version and device in the past. If you don't have them, you must choose a signed version (usually the latest iOS) to restore your device.
If your computer is blocked from reaching Apple’s servers, the request will fail. 3utools Error Unable To Request Shsh
, the digital signature from Apple's servers, his custom firmware was just a useless pile of code. He checked his USB connection If you are getting this error because the
If Apple is "signing" that version, it sends back an SHSH blob, and the installation proceeds. If Apple has stopped signing that version (usually a few weeks after a new update), the server refuses the request, resulting in the "Unable to Request SHSH" error. Common Causes & Quick Fixes 1. The iOS Version is No Longer Signed If your computer is blocked from reaching Apple’s
tsschecker -d iPhone10,1 -i 14.8 -e 0xECIDHERE --save-path ./shsh/
