Sometimes 3uTools fails to request the blob because the device is in a "confused" state or stuck in Recovery Mode.
If you try to install a version of iOS that Apple is no longer signing, 3uTools cannot "request" the signature (SHSH) from Apple’s servers, and the process fails. 🛠️ Top Fixes for the "Unable to Request SHSH" Error 1. Check if the iOS Version is Signed i unable to request shsh 3utools fix install
The steps vary by model (e.g., iPhone 8 and later use a Volume Up, Volume Down, Power button combo). Sometimes 3uTools fails to request the blob because