iOS15以后出现不能安装APP，

解决方法：

  • Delete the app from the phone
  • Clean the Build Folder with: ⌘ + shift + K
  • Delete derived data
  • Unpair device (from ⌘ + shift + 2 window)
  • Disconnect iPhone
  • Restart iPhone
  • Restart Mac
  • Trust

 

https://stackoverflow.com/questions/64974291/xcode-12-3-beta-failed-to-prepare-device-for-development 

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