How do you delete all mail from iPhone 6?
I have tried multiple methods on deleting my mail in a few steps. I have tried selecting the first email, hold Move, deselect the first message and then move all to trash. Each email is gone inside All Mailboxes. Whenever I leave All Mailboxes then comeback to it, every email comes back. I have tried this multiple times and it still did not work. I want to delete every single message in only a couple steps.
I am using an iPhone 6 to type this question and I am having a difficulty typing this. Whenever I drop the virtual keyboard to move the screen then type again, I cannot type a thing; I can only delete.
iPhone 6, iOS 8.4