So, I was messing around with some Apple iOS development the other day, like I do on a daily basis. I plugged my iPhone into my Mac and went to compile an app and test it on my iPhone. When I did, I got an error in the bottom left corner of Xcode. It stated it failed to upload the application. Which was odd, because the app was on my iPhone. I continued to test the app and make revisions and test some more, and I kept getting the error. I then noticed the cable I was using was a Belkin version of the standard iPhone dock cable. I grabbed the Apple one, and I have several, and test that. And, what do you know, the error went away.
So, the takeaway from this, if you are an Apple iOS developer, use only the Apple made dock cable.
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i regularly use no-name 3rd party cables to sync and debug my iOS apps without problems.