If ANY of these plays, videos DO work on your Safari + html.cafe. Tell me which number plays.
VIDEO 1 - Google BigBuckBunny (most reliable)
VIDEO 2 - W3Schools Bunny
VIDEO 3 - Pexels (real person)
VIDEO 4 - Mixkit (real person)
⚠️ If ALL are black, do this:
1. iPhone Settings > Safari > Advanced > turn OFF "Block All Cookies" if on
2. iPhone Settings > Battery > turn OFF Low Power Mode (it blocks videos)
3. In Safari, tap AA button > Website Settings > turn OFF "Block Pop-ups" / allow Auto-Play
4. Close Safari completely and reopen html.cafe link