In the “Conversation” screen with your contact, click on “Trash” 
.
A message appears asking you to confirm the operation. By tapping “OK” all contents exchanged in this conversation with this contact are removed from both your and your contact’s device simultaneously.
In the “Conversation” screen with your contact, click on “Trash” .
A message appears asking you to confirm the operation. By tapping “OK” all contents exchanged in this conversation with this contact are removed from both your and your contact’s device simultaneously.
