Giunti Editore

How to Fix "Unable to Request SHSH" on 3uTools (For New Devices/iOS)

If you’ve just unboxed a new iPhone or updated to a fresh iOS version, you might encounter a frustrating roadblock when using 3uTools: "Unable to request SHSH."

Part 1: What Are SHSH Blobs and Why Does 3uTools Need Them?

Before diving into the error fix, let’s understand the basics.

B. Run as Administrator (Windows)

The "New" Caveat: What You Need to Know

One crucial detail that many tutorials miss is the timing. If Apple released a new iOS version today, the Cydia/Open source servers that 3uTools relies on for some backend processes might not be updated yet.

Click the Check for Update button at the bottom right corner.

The reality: You cannot fix a server-side issue. Wait 2 to 3 days. Then attempt again. Use the tsschecker command line tool to verify if Apple is signing the firmware:

Title: A Comprehensive Guide to Fixing the "Unable to Request SHSH" Error on 3uTools

Pro tip: After updating, clear the cache: Go to SetupClear Cache → restart 3uTools.