I would like to know why I am not getting my aol info on my phone I use to be able to access it to check on all my E-Mails, but now I don"t  I would like to have it back the way it was  please

I use to get my Aol  Info on my Phone and be able to check all my  E-mails, but I do not get them anymore,  WHY  I would like to get them back the way   it was before Please