What are you trying to download (.mp4, .mkv, .mov)? Do you have enough free storage space on your iPhone? What error message (if any) do you see?

He tapped the menu icon (the three dots) in the top right corner of the video preview. A list of options slid up from the bottom of the screen. He ignored "Print" and scanned the list. His eyes landed on

Documents by Readdle , Total Files , FileBrowser .

Play the video inside the Files app or export it to a dedicated video player app. Google Drive app glitch

The fluorescent lights of Gate B14 buzzed overhead, casting a sterile glow over the rows of molded plastic seats. Mark checked his watch. His flight to his sister’s wedding was delayed by three hours, and the battery on his laptop had just breathed its last breath after a marathon session of "just one more episode" on the in-terminal Netflix.

iOS’s “Save Video” is a convenience wrapper around system media import – it only works for formats the Photos app can natively import (basically MP4/H.264 or H.265 with AAC audio). For everything else, “Save to Files” preserves the original, and a good video player app bridges the gap.