iPad Gmail Fix the problem How to delete mails?

1. Tap on Settings icon

2. In your left go to Mail option and tap it

3. Tap in Accounts on your right

4. Tap on Gmail account

5. Tap over the word Account

6. Tap on Advanced

7. In the "Move Discarded Messages into:" section tap on Delete Mailbox

8. Go out from there tapping on <Account

9. And tap on "Done"

Now, close your mail app, by double clic on the Start button you can close any app.

10. And reopen it, you will see now the Trash in the upper left corner