A. 1. Force close the app: Double-click the Home button (or swipe up from the bottom of the screen on iPhones without a Home button) to view all open apps. Swipe up on WeatherBug to close it. Then, reopen the app to see if it still crashes. 2. Update the app: Go to the App Store, tap on your profile icon at the top right, scroll down to see if WeatherBug has an update available. If so, tap 'Update'. This can fix bugs that cause crashes. 3. Restart your iPhone: Hold down the power button until you see 'slide to power off'. Turn off your device, wait a few seconds, then turn it back on. This can clear temporary glitches that may be causing the crash.

B. 4. Reinstall the app: Delete WeatherBug by pressing and holding the app icon until it wiggles, then tap the 'X'. Go to the App Store, search for WeatherBug, and reinstall it. This can resolve issues caused by corrupted app data.