How To Fix Error Unable To Request Shsh On 3utools When Top (2025)

What are you currently trying to restore or flash?

If none of the above works, the issue might be a deep-seated driver conflict or a corrupted iTunes installation on your PC.

You are trying to install or downgrade to an iOS version that Apple has stopped signing. how to fix error unable to request shsh on 3utools when top

The error at 9% usually happens for one of these reasons:

3uTools request SHSH from Apple for unsigned versions – error is expected. Instead, do this: What are you currently trying to restore or flash

Follow these troubleshooting methods in order to resolve the issue. 1. Verify and Select a Signed iOS Version

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When Apple releases a new iOS update, it digitally "signs" that version for a short period—usually a few weeks after release. This signature is the SHSH blob (Signature HaSH blob), a unique digital key from Apple’s servers that permits the installation of a specific iOS version on your specific device. During a restore or downgrade, 3uTools or iTunes must request this signature. If it fails, you'll see the "Unable to request SHSH" error.

If the firmware is still signed but you see the error, your computer or network is likely blocking the request to the TSS (Telescope Signature Server).

: Apple only "signs" certain firmware versions (usually the most recent). If you are trying to downgrade to an older, unsigned version, 3uTools will fail because Apple's servers are no longer authorizing those installs. You can check current signing status at IPSW.me .