A. 1. Restart the App: Close the StatMuse app completely by swiping it away from the app switcher. Then, reopen it to see if the issue persists. 2. Update the App: Go to the App Store, search for StatMuse, and check if there’s an update available. If so, download and install it. Updates often fix bugs that cause crashes. 3. Clear Cache: Go to your iPhone settings, find StatMuse under the app list, and look for options to clear cache or data. This can help resolve performance issues.

B. 4. Reinstall the App: Uninstall StatMuse by pressing and holding the app icon until it wiggles, then tap the 'X' to delete it. Reinstall it from the App Store. This can resolve issues caused by corrupted files.