How To Fix Error Unable To Request Shsh On 3utools When Jun 2026

The "Unable to request SHSH" error in 3uTools typically occurs during the firmware flashing or restoring process, often stalling around the 9% mark

Connect your iPhone to your PC and view the page on 3uTools.

Now, let's get to the solutions.

Communication issues between your computer and iPhone are a frequent hidden cause of this error.

If 3uTools continues to fail, iMazing is a robust alternative that can sometimes repair or flash a device stuck on this error. 3. Perform a Forced Restart Sometimes the device is stuck in a half-flashed state. How To Fix Error Unable To Request Shsh On 3utools When

This error usually appears when trying to save SHSH blobs (digital signatures for iOS downgrading) or during a firmware flash. It means 3uTools cannot communicate with Apple’s signing servers or your local network is blocking the request.

: Firewalls, VPNs, or restricted DNS settings are blocking the application from talking to Apple's signing server.

3uTools' developer team is aware of these errors. According to their official release notes, version was specifically designed to fix the "unable to request SHSH" error while restoring devices. Ensure you are running the most current version.

tab in 3uTools and look at the firmware list. Only versions with a The "Unable to request SHSH" error in 3uTools

Ensure your internet connection is stable and not blocked by a firewall or VPN. Try a different certified lightning cable

Do you need help putting your iPhone into to try the flash again? Share public link

Ensure your PC has a stable internet connection. Use an original Apple lightning cable and try a different USB port (preferably on the back of the PC if using a desktop).

Click on at the bottom-right corner of the 3uTools window or download the latest package directly from the official 3uTools Download Page. If 3uTools continues to fail, iMazing is a

Security software often mistakenly blocks the specific ports 3uTools uses to talk to Apple's TSS servers.

Use the to check if your desired iOS version is marked in green (signed) or red (unsigned).

If you are still encountering the error, 3uTools offers a workaround, especially for older iPhone models (like iPhone 4 and 4S).

This error usually halts the process of signing a firmware file (IPSW), preventing you from utilizing the "Pro Flash" or "Easy Flash" features. Fortunately, this is rarely a hardware issue. It is almost always related to network connectivity or Apple’s signing servers.