Visit ipsw.me, select your device, and check the list. If the version is in Red , it is unsigned, and 3uTools cannot request a new SHSH blob for it. 2. Ensure Your Device is in the Correct Mode
Double-check that you're using the correct firmware version and that it's compatible with your device: how to fix error unable to request shsh on 3utools when top
Run 3uTools with by right-clicking the application shortcut. Visit ipsw
Apple actively blocks users from installing older iOS versions by turning off their digital signatures. If you try to force an unsigned firmware package ( .ipsw ) through 3uTools, the software will stop completely at the SHSH request stage. Ensure Your Device is in the Correct Mode
Click the Check Update option in the bottom-right corner of the 3uTools window or fetch the latest variant directly from the official 3uTools Download Portal.
Your security software might be blocking the connection.
: Apple only allows you to flash "signed" iOS versions. If you are trying to install an older version that Apple has stopped signing, 3uTools will be unable to retrieve the SHSH blobs. Use a site like IPSW.me to verify if your firmware has a green checkmark (signed) or a red "X" (unsigned).
Visit ipsw.me, select your device, and check the list. If the version is in Red , it is unsigned, and 3uTools cannot request a new SHSH blob for it. 2. Ensure Your Device is in the Correct Mode
Double-check that you're using the correct firmware version and that it's compatible with your device:
Run 3uTools with by right-clicking the application shortcut.
Apple actively blocks users from installing older iOS versions by turning off their digital signatures. If you try to force an unsigned firmware package ( .ipsw ) through 3uTools, the software will stop completely at the SHSH request stage.
Click the Check Update option in the bottom-right corner of the 3uTools window or fetch the latest variant directly from the official 3uTools Download Portal.
Your security software might be blocking the connection.
: Apple only allows you to flash "signed" iOS versions. If you are trying to install an older version that Apple has stopped signing, 3uTools will be unable to retrieve the SHSH blobs. Use a site like IPSW.me to verify if your firmware has a green checkmark (signed) or a red "X" (unsigned).