3utools Error Unable To Restore Idevice--75-: Portable

How to Solve the Issue 3uTools Frequently Shows Operation Failure 28 Sept 2016 —

Verify IPSW integrity

The is intimidating but rarely fatal. In 80% of cases, the fix is simple: re-download the firmware or change your USB port/cable . In another 15% of cases, updating Windows USB drivers or disabling antivirus solves it. 3utools error unable to restore idevice--75-