Videos, die größer als 16 MB sind, über WhatsApp versenden
Alles, was Sie über WhatsApp MP4 wissen müssen
Critical] If someone has sent you an MP4 file on WhatsApp, guard against downloading it as hackers may use a critical vulnerability in the Facebook-owned app to execute snooping attack on both
WhatsApp: Diese Video-Formate unterstützt der Messenger - CHIP
Why do some videos send as a downloadable MP4 file, instead of showing the video? : r/whatsapp