in celluar+sim settings is authentication type. PAP and Chap seem to be all that is offered. consumer celluar is telling me it needs to be blank. how do I do this? thanks
You'll have to make a new APN. While making the new APN, you should have the option to have the authentication type to be blank. Please read this thread on how to join Windows Central so that you can provide more information for us to better help you.