Need to get in to yahoo

Hello,

I need help please. I had a blue iphone 5c, , The original no was Deleted by moderator, attached at that time to my yahoo account. I never could get back in so now I have a different number and email address address.

I just purchased a Galaxy and can't sell mi iPhone because I don't have access to yahoo, it all has to do with icloud. Also I can't find the answers to the,security questions.

My current time phone no is Deleted by moderator.
My new email is ***@***.

I would really appreciate your help!!!!
Can you please unlock the account?