A. 1. Clear the app cache: Go to your device's Settings > Apps > Simplilearn > Storage > Clear Cache. This can resolve minor functionality issues by removing temporary files that may be causing problems. 2. Update the app: Ensure you have the latest version of the app installed. Go to the Google Play Store, search for Simplilearn, and tap 'Update' if available. 3. Reinstall the app: If issues persist, uninstall the app and then reinstall it from the Google Play Store. This can help reset any corrupted files.

B. 4. Restart your device: Sometimes, simply restarting your device can resolve app functionality issues. Hold down the power button and select 'Restart'.