It's a gray app that contains an image of gears (⚙️) and is typically located on the home screen.
 It's in the section of the menu that contains other Apple apps, like Contacts and Notes.
 It's at the top of the menu.
 Select the account you want to delete from your iPhone.
 It's at the bottom of the menu.
 Doing so removes the email account and all of its messages and other data from your iPhone.
Open Settings.
Scroll down and tap Mail.
Tap Accounts.
Tap an email account.
Tap Delete Account.
Tap Delete from My iPhone.
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