How do I copy an X post link on iPhone?

Tap the share icon on the post and choose Copy Link, or copy the URL from the Safari address bar if you are viewing the post on the web.

Where does the video save?

Safari saves the MP4 into the Files app under Downloads. Open it and tap Save Video to add it to your Photos camera roll.

Yes, as long as the underlying post is public. Paste the link to the specific post that contains the video and Beam will pull that clip.

How do I copy an X post link on iPhone?: Tap the share icon on the post and choose Copy Link, or copy the URL from the Safari address bar if you are viewing the post on the web.
Where does the video save?: Safari saves the MP4 into the Files app under Downloads. Open it and tap Save Video to add it to your Photos camera roll.
Can I download a video from a quoted post?: Yes, as long as the underlying post is public. Paste the link to the specific post that contains the video and Beam will pull that clip.