Ensure your PC has a stable connection. Sometimes "hosts" files (located in C:\Windows\System32\drivers\etc ) are modified by other tools to redirect Apple's servers; ensure no lines containing gs.apple.com are present.
Look for any lines containing apple.com or ://apple.com . Add a # at the beginning of those lines to comment them out, or delete them entirely.
: Look for any lines containing apple.com or ://apple.com .
Open 3uTools, click on the menu (three lines in the top right), and select "Check Update." Install the latest version, restart the application, and try again. 3. Check Your Network Connection 3utools error unable to request shsh hot
The most definitive fix is to use an iOS version currently approved and actively signed by Apple. Open and go to the Smart Flash tab.
SHSH (Signature HaSH) blobs are digital signatures that Apple issues for every iOS firmware restore. Think of them as a unique digital ticket. When you restore an iPhone, the device shows this ticket to Apple’s servers. If the ticket matches the current iOS version, Apple allows the restore.
Which are you trying to install (or downgrade to)? At what percentage (9%, 19%, 21%?) does the flash fail? Ensure your PC has a stable connection
Before you flash a new iOS version, you need to be sure it's even possible.
How to Fix 3uTools 9% ERROR Unable to request SHSH Latest
: Only iOS versions highlighted in green are actively signed by Apple and eligible for flashing. Versions highlighted in red are unsigned and cannot be requested via standard flashing methods. Add a # at the beginning of those
As the developers have previously indicated, this is often the first and most effective solution. Using an outdated version can cause requests to fail, especially with newer devices and iOS versions.
Based on official 3uTools guidance and user feedback, here are the most effective ways to fix this error. 1. Update 3uTools to the Latest Version