A. 1. Ensure you have a stable internet connection. Test your speed using a speed test app. 2. Clear the app cache by going to Settings > General > iPhone Storage, selecting Top Hat, and choosing 'Offload App'. 3. Delete and reinstall the app to ensure you have the latest version and all files are fresh.

B. 1. Limit background app activity by going to Settings > General > Background App Refresh and turning it off for apps that are not necessary. 2. Close other apps running in the background to free up resources.