If you are trying to save your iOS SHSH blobs or downgrade your iPhone/iPad using 3uTools, you may have encountered the frustrating error message: "Unable to request SHSH."
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. How To Fix Error Unable To Request Shsh On 3utools When
In this guide, we will walk you through the most effective methods to resolve this error and get 3uTools working again. If you are trying to save your iOS
Before jumping into the fixes, it helps to understand why 3uTools throws this error. Before jumping into the fixes, it helps to
The SHSH (Signature HaSH) blob is a digital signature Apple uses to control iOS versions. When you click "Flash" or "Save SHSH," 3uTools acts as a middleman, sending a request to Apple’s TSS (Ticket Signing Server).
The error "Unable to request SHSH" means 3uTools could not establish a connection with Apple’s servers to get that digital signature. This is typically caused by:
If 3uTools still fails, use a dedicated blob saver: