There are multiple solutions for this: Solution 1: Patiently wait for 10 to 15 minutes. Have a tea or roam around 😉 Solution 2: Disconnect device from the system. Restart both iPhone and Xcode and then rebuild again. Solution 3: Go to Windows → Devices and Simulators (Shortcut key: cmd+shift+2) You’ll see iPhone device connected to system … Sigue leyendo Xcode “iPhone is busy: Preparing debugger support for iPhone”