"There is an internal API error" resolution in Xcode real-machine debugging

Xcode7 after the update using the real machine debugging, in the IOS8 of a iphone6 also no problem. IOS9.2 a iphone6s is no problem. But in the IOS7.0 of a iphone4s on the last installation when the installation failed, prompting there was an internal API error

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Through n many times Baidu, collected some methods, tidy up:

Method one: Private API. (PS: Not resolved, what is the private API, I also specifically to check.) )

Method two: Regenerate. Action: First clear the previous file, "Product"--"clear", and then build again. (PS: My problem is still not solved )

Method Three: Delete iphone4s on the previous debugging program, run again. As for the specific reason, I found that when the error dialog box pops up just when it detects what the profile certificate is, it has something to do with the identity detection of the real machine. (PS: My problem is still not solved )

Method Four: Change product name to English and build again. The problem has finally been solved.

Finally, found that the console print out the log display in the installed app name is garbled, my product name is Chinese. Then, try to change the product name into English with the attitude of trying it, and then it's OK.

It is a good idea not to modify the product when you want to modify the app name, so you can modify the bundle display name in Info.plist.

"There is an internal API error" resolution in Xcode real-machine debugging