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.
tsschecker -d iPhone15,4 -e 0xYOURECID -i 18.0 --save-path ./blobs (Replace iPhone15,4 with your actual model and 18.0 with the iOS version.) Permission issues block 3uTools from writing temporary files required for the SHSH request handshake. Running with elevated privileges often resolves "Unable to Request" errors on new devices. how to fix error unable to request shsh on 3utools when new
Update 3uTools to the latest Beta (Fix #1) and manually enter your ECID (Fix #2). If that fails within 10 minutes, use TSS Saver (Fix #4) – it works 100% of the time for new devices. This error typically appears when you attempt to
If you are an iPhone or iPad user who enjoys jailbreaking, downgrading, or simply preserving your device’s signing window, you have likely used 3uTools . It is one of the most comprehensive third-party tools for iOS management. However, a frustrating roadblock often appears when dealing with a new device (e.g., you just unboxed an iPhone 15) or a new iOS version (e.g., iOS 17/18): the dreaded error message: "Unable to Request SHSH." When 3uTools cannot request them, panic sets in
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: