I can't get to my email from my iPhone. Think you made me change the password on my desktop butI don't know how to put it in the iPhone?

I can't get to my email from my iPhone. Think you made me change the password on my desktop butI don't know how to put it in the iPhone?

If you use automatic pass word fill, then go into settings - accounts and change it to the new one. An instruction booklet is in the Books app on your phone.

Who is the "you" in this question?