A. 1. Restart the app: Close the app completely and reopen it. 2. Clear the app cache: Go to Settings > Apps > Builderment > Storage > Clear Cache. This can help resolve startup issues. 3. Reboot your device: Sometimes, a simple reboot can fix black screen issues by refreshing the system.

B. 4. Check for updates: Ensure you have the latest version of the app installed from the Google Play Store.