Change email password in iOS

1. Touch the Settings icon.
   
2. Scroll down and select the "Mail, Contacts, Calenars" options.
   
3. Select the email account for which you want to change the password.
   
4. Touch the Account button at the top of the screen.
   
5. Tap the inside the Password field.
   
6. Delete the current password, replace it with the new password, then touch the Done button.