Advanced users can try to manually retrieve an AP ticket by copying their device's ECID or EID and using an external SHSH Host to verify available signatures.
Fix "Unable to Request SHSH" in 3uTools: Ultimate Guide for iOS Flashing Issues i unable to request shsh 3utools fix install
: Use an original or high-quality MFi-certified lightning/USB-C cable. A faulty cable can cause data transmission errors during the initial 9% verification phase. Manual SHSH Verification (Advanced) If you are trying to use saved SHSH blobs for a downgrade: Visit a host site like Copy your device's from the 3uTools device information screen. Advanced users can try to manually retrieve an
3uTools is not the only tool for managing SHSH blobs, and sometimes the solution is to use a different tool. Here are some powerful alternatives for saving blobs and managing iOS devices. Manual SHSH Verification (Advanced) If you are trying
Change the file type dropdown from "Text Documents (*.txt)" to . Open the file named hosts . Look for any lines containing apple.com or ://apple.com .
：连接设备后，同时按住电源键和 Home 键（无 Home 键机型方法略有差异），约 10 秒后松开电源键，继续按住 Home 键约 5 秒，直到 3uTools 提示检测到设备处于 DFU 状态。