How to Delete your WhatsApp Messenger Account in Android Phones
This video shows you how to delete your account in WhatsApp Messenger.
Steps that you need to follow are:
1.Open WhatsApp.
2.Tap the Menu Button , Settings , Account , Delete your account
3.Enter your phone number in full international format and
4.Tap Delete my account.
Deleting your account will:
1.Delete your account from WhatsApp.
2.Erase your message history.
3.Delete you from all of your WhatsApp groups.
4.Delete your Google Drive backup.