: Get the latest version (v1.9.0.0 as of April 2025) directly from the Samsung Developer portal or reputable repositories like OdinDownload .

: To enable this for development, go to Settings > About Phone > Software Information , tap Build Number seven times, then enable USB Debugging in the new Developer Options menu. Troubleshooting Samsung Android USB Driver

Se você precisa de drivers para desenvolvimento ou para usar ferramentas como Odin, ative o Modo Desenvolvedor no Galaxy A40:

Without the correct driver, your PC will likely identify the Galaxy A40 as an "Unknown Device" or fail to install it automatically.