If the request fails while the phone is in "Normal" or "Recovery" mode, try putting the device into . This is a deeper state that often bypasses software communication errors.
3uTools saves SHSH blobs locally on your C: drive (Windows). If these .shsh or .plist files become corrupted due to a sudden shutdown or disk error, the tool cannot read them. 3utools error unable to request shsh hot
Stop relying on 3uTools for SHSH.
Using an older version of 3uTools can lead to compatibility issues with newer iPhone models (like the iPhone 15 series) or newer iOS firmware. If the request fails while the phone is
This is the most common culprit. Apple stops signing older iOS versions shortly after a new update is released. If the version is unsigned, 3uTools cannot request the SHSH blob because Apple simply won't issue it. If these
For some devices, copying the EID code from the device information and pasting it into the target field on signature-check sites can help verify if the request is possible. 10 Common Flashing Errors With Solutions - 3uTools
