"Try that on for size," he whispered, hitting the 'Flash' button one more time.
: Outdated software can cause connection issues with Apple's signing servers. Click "Check Update" How To Fix Error Unable To Request Shsh On 3utools When
Some users have reported that changing the DNS server resolves the issue. Try using a public DNS server like Google's DNS (8.8.8.8) or Cloudflare's DNS (1.1.1.1) to see if it helps. "Try that on for size," he whispered, hitting
While less common for this specific "request" error, a faulty connection can interrupt the handshake process between your device, the PC, and the server. Try using a public DNS server like Google's DNS (8
Are you trying to to an older version of iOS or simply updating to the latest one? How to Fix 3uTools 9% ERROR Unable to request SHSH Latest
I changed my strategy. Instead of iOS 10, I downloaded the latest signed iOS version for my iPhone 6s (which was iOS 15.8 at the time). I clicked "Get SHSH" for that version. It worked in 4 seconds.
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).