Communication failure between 3uTools and Apple's verification server.
Sometimes, 3uTools misreads the ECID (Exclusive Chip ID) of a brand-new device, especially if the USB driver is outdated. Manually entering the ECID forces the tool to bypass its auto-detection bug. how to fix error unable to request shsh on 3utools when new
This error typically appears when you attempt to fetch SHSH blobs via 3uTools’ "Save SHSH" feature. For beginners, SHSH blobs are digital signatures Apple uses to verify iOS restores. Saving them is the only way to downgrade your iPhone later. When 3uTools cannot request them, panic sets in. This error typically appears when you attempt to
: Click the "Check Update" button at the bottom-right of the 3uTools window. Many users found that updating to V2.16 or higher resolved the issue for newer devices like the iPhone 8 and 15 Pro. When 3uTools cannot request them, panic sets in