A. 1. Update the app: Open the App Store, tap on your profile icon, and check for updates for Contract Killer 2. Installing the latest version can fix bugs that cause crashes. 2. Restart your device: Sometimes, a simple restart can resolve issues. Hold down the power button and slide to power off. Turn it back on after a few seconds.

B. 3. Free up storage space: Go to Settings > General > iPhone Storage. If your storage is nearly full, delete unnecessary apps, photos, or files to create more space, which can help improve app stability.