iphone 앱 설치할 때 Failed to prepare the device for development. This operation can fail if the version of the OS on the device is incompatible with the installed version of Xcode. You may also need to restart your Mac and device in order to corre..

 

========

 

 

Failed to prepare the device for development. This operation can fail if the version of the OS on the device is incompatible with the installed version of Xcode. You may also need to restart your Mac and device in order to correctly detect compatibility.

 

 

=======

이런경우일 때.

1. 맥 컴퓨터를  재시동 

2. iphone 재시동

3. iphone 설정 > 개발자 > 신뢰하는 컴퓨터 지우기 

4.iphone 설정 > 일반 > 소프트웨어 업데이트 > 끔 

iphone 자동 버젼 업데이트가 되어서 발생하는 현상   

 

연결이 된다. 

 

=======