, yet the error persisted. Just as he was about to give up, he noticed a tiny notification in the corner of the tool: Server Maintenance
Now try flashing while in DFU mode.
: Ensure the iOS version you've selected is marked as "Signed" (usually highlighted in green in the "Easy Flash" tab). 3utools Error Unable To Request Shsh
Before attempting any flash, the user must check the signing status of the target firmware on websites like ipsw.me . If the version is still signed by Apple, 3uTools should request the SHSH automatically without issue. , yet the error persisted