A. 1. Restart the app: Close the Longman Dictionary app completely and reopen it. This can sometimes resolve temporary glitches. 2. Clear app cache: Go to Settings > Apps > Longman Dictionary > Storage > Clear Cache. This will remove temporary files that may be causing the issue. 3. Reinstall the app: Uninstall the app and then reinstall it from the Google Play Store. This can help if the installation was corrupted.

B. 4. Check storage space: Ensure your device has enough storage space available. Go to Settings > Storage and free up space if necessary. 5. Use Wi-Fi: If you are on mobile data, switch to a Wi-Fi connection to ensure a stable download of media files.