If you’re like most people, you probably use Yahoo as your go-to email service. But if you’re ready to say goodbye to Yahoo, there’s a way to do it on your phone without having to go through the web interface. To delete your Yahoo account from your phone, open the app and sign in. Tap the three lines in the top left corner of the main screen and select “Settings.” Under “Accounts,” tap “Yahoo!” In the “Delete account” section, tap “Yes.” ..