While using WhatsApp I have an issue that if my phone is in vibration mode, I am unable to hear WhatsApp voice notes instead my phone is vibrating and if it is in default mode, I am unable to hear the same instead notification sound rings repeatedly ...

My one week vlog footage folder was suddenly deleted. There is no files in my vlog folder and also not in recycle bin .What Is the reason?.how can I rectify it?..I badly need la footage..kindly pls help me