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iPhone USB Tethering suddenly stopped working on OS X Lion

Yesterday, I updated the iPhone configuration utility to v 3.5 and I was using the internet via iPhone USB tethering, as soon as the update finished, my iPhone USB tethering stopped working and its not working any more. I am on OS X Lion 10.7.3 using iPhone 4S, iOS 5.1.


Now I figured out that running the OS in 32 bit lets me do USB tethering, but in 64 bit the iPhone USB Network Service shows on the right:


"Either the cable for iPhone USB is not plugged in or the device is not responding."


I've tried everything with keeping iTunes running, reinstalling iTunes, re-installing iPhone configuration Utility, but nothing seems to work! I guess the main culprit here is the new iPhone Configuration Utility v 3.5. It is so annoying to see such things breaking existing functionalities. It has nothing to do with my Phone, because it works on my other Macbook Pro which I did not update and on my friends Snow Leopard.


Anyone has any ideas how to fix this problem? Any help would be appreciated a lot!

MacBook Pro, Mac OS X (10.7.3), iPhone 4S v 5.1

Posted on Mar 16, 2012 2:03 AM

Reply
63 replies

Aug 27, 2014 12:54 AM in response to alaena

I had to return to this thread 2 months later, because the USB tethering stopped again. The AppleUSBEthernetHost.kext was the same file from January 2012 and had not been modified. I used TimeMachine again to get the same file and rereplace it and it works again. It works again, and now I'm keeping the file on my desktop...

iPhone USB Tethering suddenly stopped working on OS X Lion

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