A. 1. Clear the app cache: Go to your device's Settings > Apps > Momondo > Storage > Clear Cache. This can help improve performance by removing temporary files that may be causing issues. 2. Update the app: Ensure you have the latest version of Momondo installed. Go to the Google Play Store, search for Momondo, and tap 'Update' if available. 3. Restart your device: Sometimes, a simple restart can resolve performance issues by refreshing the system.

B. 4. Uninstall and reinstall the app: If performance issues persist, uninstall the app by going to Settings > Apps > Momondo > Uninstall. Then, reinstall it from the Google Play Store.