If you are interested in mobile video formats or nostalgia from that era, you can find discussions and samples on other platforms:
, which can lead to copyright strikes if you re-upload the content elsewhere. The Verdict
: To ensure videos always occupy the full screen on modern tall displays, go to Settings > General > Zoom to fill screen .
YouTube now offers "offline" saving via its Premium subscription. Furthermore, data compression algorithms (like AV1 codec) allow YouTube to stream 480p video using less data than old 3GP files.