: Always use an official Apple MFi-certified Lightning or USB-C cable.
Check your to ensure no Apple servers (like gs.apple.com ) are being redirected. 5. Rule Out Hardware Failure 3utools error unable to restore idevice--75-
: Go to the Toolbox tab in 3uTools and select iTunes Utility . Click on Repair Driver to reinstall the necessary Apple communication components. 3. Use DFU Mode : Always use an official Apple MFi-certified Lightning
If the error persists across different computers and cables, it may be a hardware issue. 3utools error unable to restore idevice--75-
Select the firmware and try the flash again. This often resolves stubborn software hangs. 4. Disable Security Software
: Loose or damaged USB cables, or faulty USB ports on the PC.