How To Fix Error Unable To Request Shsh On 3utools When Top -

The "Unable to request SHSH" error in 3uTools typically occurs at the

SHSH blobs (Signature HaSH blobs) are digital signatures from Apple that allow a specific version of iOS to be installed on a specific device. Apple only signs the latest iOS version for most devices. When you try to restore or downgrade, 3uTools asks Apple’s servers for permission. If Apple refuses (because the version is no longer signed), 3uTools returns the "Unable to request SHSH" error. how to fix error unable to request shsh on 3utools when top

7. Reinstall Apple Mobile Device Support

Open Control Panel → Programs → uninstall iTunes and Apple Mobile Device Support (if present), then reinstall iTunes or install Apple drivers separately.
Reboot PC and reconnect.

A. Normal detection

3uTools should show device in Recovery Mode. Now try Request SHSH.