Open your File Manager → Internal Storage → WhatsApp → Media → WhatsApp Video.
Right-click the file (on PC) and select Properties > Details to see the exact time it was created. VID-20181029-WA0107.mp4
If the icon is blank, your phone might lack the codec to play it. 🛠️ Common Fixes for This File If the video won't play or you are having trouble with it: Open your File Manager → Internal Storage →
If the file size is 0KB, the download failed or was deleted from the server. 🛠️ Common Fixes for This File If the
The filename is a standard system name generated by WhatsApp. It indicates the video was received or saved on October 29, 2018 .
Open the Photos app → Albums → Shared from Cast / WhatsApp.
Use VLC Media Player (it plays almost any .mp4).