If you encounter the "Unable to request SHSH" error on a new device with 3uTools:
: Ensure the iOS version you are trying to install is still being "signed" by Apple. You cannot request SHSH for versions Apple has closed.
Open 3uTools and look at the bottom right corner to check for updates, or download the latest version directly from the official website. Go to the tab in 3uTools. Click on iTunes Utility or Repair Driver . how to fix error unable to request shsh on 3utools when new
Open 3uTools, click the Menu button (three horizontal lines) , select Check for Updates , and install any available updates.
If you are updating/reinstalling the same firmware, keeping user data can sometimes help bypass the signature check if the signature was already verified previously. If you encounter the "Unable to request SHSH"
Once you have fixed the error for your current new device, follow these best practices to avoid it next time:
He slammed his palm on the desk. The iPhone vibrated, restarting with the Apple logo, mocking him. He felt defeated. He just wanted to secure the future of his expensive new toy, and the software wouldn't even talk to the servers. Go to the tab in 3uTools
He took a deep breath. He right-clicked on the SHSH2 button again.
3uTools cannot reach Apple servers. Server issues: Apple’s signing servers are down or slow.