You can turn this function off altogether in settings.

I think you are not correctly identifying your password. Go to your Dell, chNge the password for your email. Now try to log in on the...

Have you contacted your cell provider to authorize wifi calling on the new sim? I remember vaguely having to do something like that the...

Apple‘s Mail app is a built in app. Usually you don‘t have to install it, if it hasn‘t been deleted before. However, if you use Apple‘s...