-75 Message: Unable to restore iDevice Context: Occurs when trying to restore an iPhone, iPad, or iPod touch via 3uTools’ “iDevice Restore” (Flash & Jailbreak) feature.
This table provides a quick reference to guide your troubleshooting. Refer to the corresponding methods below for detailed instructions.
Update/reinstall drivers and software:
If none of these steps resolve the issue, you can:
Run 3uTools as Administrator and disable antivirus temporarily — eliminates permission and file-locking problems.
Windows Defender or third-party security software can mistake the deep-level flashing protocols of 3uTools for an exploit attempt, terminating the connection. Open . Navigate to Virus & threat protection settings . Toggle Real-time protection to Off temporarily. 2. Terminate and Close iTunes
Error Code: -75
of your PC (motherboard ports) rather than front-panel headers to ensure stable voltage.
Overlooking the physical connection is a surprisingly common pitfall. A stable, high-quality connection is absolutely critical, as any interruption can corrupt the data transfer and trigger the error.