Fixing iPhone is busy: Preparing Apple Watch for development via iPhone
Enable Apple Watch's Airplane Mode to fix.
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iPhone is busy: Preparing Apple Watch for development via iPhone
- Turn Airplane mode on your Apple Watch.
- Ensure that you deselected both Bluetooth and Wi-Fi at your Apple Watch Airplane Mode Behavior setting.
- Try rerunning Xcode Build.
- Once Xcode functions again, you can disable Airplane Mode on your Apple Watch.