to ensure the computer can communicate properly with the device. Alternative Solutions External SHSH Hosts
: Apple stops "signing" older iOS versions shortly after new releases. If you are trying to install a version that Apple has closed, 3uTools cannot retrieve the required SHSH blobs from Apple's servers. You can verify which versions are still signed on sites like Check Network and USB Connections how to fix error unable to request shsh on 3utools when upd
If you are an advanced user trying to downgrade to an iOS version, the error appears because you have no saved blobs. But if you have saved SHSH blobs from a previous jailbreak (using TSS Saver), you can manually feed them into 3uTools. to ensure the computer can communicate properly with
: Some users find success by switching from "Easy Flash" to the "iTunes Flash" utility within 3uTools. Repair Drivers : Go to the in 3uTools, select iTunes Utility , and click Repair Driver You can verify which versions are still signed
The "Unable to request SHSH" error in 3uTools typically occurs during the flashing or restoration process, often stalling at around . This error is the 3uTools equivalent of iTunes Error 3503 , indicating a failure to communicate with Apple's servers to verify the firmware's digital signature. 1. Update 3uTools to the Latest Version