3uTools Frequently Prompts “Connection Timeout”?
After the iDevice is connected to PC for many times, 3uTools still prompts "Connection timeout". This issue may be caused by driver error.
Click "Repair Driver". Please view the picture below.
2. If the issue still exists after fixing driver, please try the following operations.
a.) Manually uninstall Apple Mobile Device Support
b.) Click "Control Panel"→"Programs and Features". Search for Apple Mobile Device Support, then uninstall it.
c.) Restart 3uTools. Install iTunes or Apple driver according to the reminders of 3uTools.
3. If you enable USB Accessories in iOS 11.4.1 or later, your device should have this pop-up since your iPhone was locked over one hour. And it probably one of the reasons caused you failed to connect your device with 3uTools. Just hold and unlock your iPhone.
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