Put a # symbol at the start of those lines to comment them out, or delete them entirely.
Only firmware marked with a green "Signed" status can be flashed normally. If the version you want is marked as unsigned (often in red or lacking a green check), Apple will reject the SHSH request, and you cannot install it unless you have previously saved local SHSH blobs. 2. Update 3uTools to the Latest Version
An SHSH blob (Signature Hash Blob) is a digital signature generated by Apple to control which iOS versions can be installed on specific hardware. Every time you flash a device using 3uTools, the software must request this unique signature (or APTicket) from Apple's verification servers. i unable to request shsh 3utools fix install
If you are trying to downgrade to an older iOS version (e.g., iOS 15 to iOS 14) and you manually save SHSH blobs while that version was still signed, there is currently no way to fix this error. No software, including 3uTools, can "force" Apple to sign old firmware once the window has closed. To help you get this sorted, could you tell me: What model of iPhone/iPad are you using? Which iOS version are you trying to install?
Press Win + R , type C:\Windows\System32\drivers\etc and press . Open the hosts file with Notepad. Put a # symbol at the start of
To fix the issue, it helps to understand what is happening behind the scenes. Every time an iOS device installs firmware, it contacts Apple’s TSS (Signing) servers. 3uTools acts as the middleman in this process. The error occurs due to one of three primary reasons:
Apple intentionally stops signing older iOS versions a few weeks after a new update drops. Launch 3uTools and navigate to the tab. Look at the listed firmwares for your device. If you are trying to downgrade to an older iOS version (e
Apple strictly controls which iOS versions can be installed on any given device. If you are trying to install an unsigned firmware without local SHSH backups, the restoration . Visit IPSW.me or check the Go Flash section inside 3uTools. Select your exact iPhone or iPad model.
3uTools displays the "Unable to request SHSH" error, and the installation terminates. Primary Causes of the Error
You must select a version that is currently being signed (indicated by a green icon or "Available"). 2. Update 3uTools to the Latest Version