The request appears to contain a slight confusion between "firmware" () and "transcript/write-up" ( video-to-text ). If you are looking to download the text content of a video to create a write-up, here is how you can do it. How to Get a Write-up from a Video
If you actually meant downloading (like a camera, DVR, or media player), the process is different: kak skachat proshivku video
Как скачать текст из видео на YouTube Совет Эксперта YouTube• Jan 18, 2022 The request appears to contain a slight confusion