A. 1. Check your internet connection: Ensure you have a stable Wi-Fi or cellular connection. If the connection is weak, try moving closer to the router or switching to a different network. 2. Clear the app cache: Go to your iPhone settings, find Stack Team App, and clear the cache if the option is available. This can help improve performance. 3. Restart the app: Close the app completely and reopen it to refresh the chat updates.

B. 4. Update the app: Ensure you are using the latest version of Stack Team App. Go to the App Store, search for the app, and check for updates. 5. Reinstall the app: If the problem persists, uninstall the app and then reinstall it from the App Store.