How to delete whatsapps messages on my friend's mobile

[iMore Question]

Hi,

I have recently discovered that my friend has somehow deleted all our whatsapps messages on my mobile phone.We have been chatting for more than 3 years and suddenly all messages between us are totally empty.May I know how he can manage to do all this ?Kindly anyone please advise.Thanks!

 

[Just_Me_D]

May I suggest an inquiry with WhatsApp Support regarding this matter?

 

[Lee_Bo]

May I suggest an inquiry with WhatsApp Support regarding this matter?

Boom!