Software⏱️ 2 min read📅 2026-05-31

How to Fix: Could not launch process launch failed: timed out waiting for app to launch

Check Code Signing settings and ensure it's set to 'Sign with Development Certificate' for iOS development.

Quick Answer: Try setting Code Signing to 'Sign with Development Certificate' and re-launch the app on the device.

The 'Could not launch process launch failed: timed out waiting for app to launch' error can be frustrating, especially when it's working on the simulator. To resolve this issue, let's first understand what might be causing it.

⚠️ Common Causes

  • Outdated SDK or Xcode version
  • Incorrect device configuration
  • Missing or corrupted provisioning profiles

✅ Best Solutions to Fix It

Method 1: Updating SDK and Xcode

  1. Step 1: Open the Xcode Preferences window by going to Xcode > Preferences
  2. Step 2: Click on the 'Components' tab and update the SDK version to the latest available version for your project.
  3. Step 3: Update Xcode to the latest version.

Method 2: Checking Device Configuration

  1. Step 1: Open the Xcode device manager by going to Xcode > Window > Devices and Simulators
  2. Step 2: Select your iPhone 4S device from the list and check that the correct SDK version is selected.
  3. Step 3: Ensure that the device configuration is set to 'Compatible with iPhone 5,1' (or later).

🎯 Final Words

By following these steps and checking for any potential issues with your device configuration or SDK version, you should be able to resolve the 'Could not launch process launch failed: timed out waiting for app to launch' error and successfully deploy your app to your iPhone 4S device.

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