I want to know if I can fix my legal status

You have not provided the information necessary to answer your question. Call a lawyer.

I file really late for my stepson for the I 751

Thank you for sharing. Sis you mean to ask a question?

I-131 form for AOS (adjustment of status)?

Your question shows a less than complete understanding of immigration process and law. You would benefit from hiring a lawyer. The instructions are...

I applied for change of status from B2 to f1 and applied for asylum ?

Your change of status will not be approved while you are in court. You need to get a lawyer to help you with your asylum case.

Do I need to fill out a new affidavit of support for green card?

Your question shows a deep misunderstanding of the law. You need to consult with a lawyer to review the situation and how to proceed.

What is the correct category to select in I-765 form while filing for Permanent resident card through US citizen spouse ?

This answer is very clear in the instructions. If you cannot determine this, what else are you missing and you’re not even aware of it? You need to...

Can a green card category a6 travel back to their country?

No. A person granted a green card after asylum cannot travel to that country for any reason.

YOu cannot find a pool attorney. He would have to apply for a public defender and that office will assign a public defender or a pool attorney....

How about hiring a lawyer to review the documents and attend the interview with your husband?

Biometrics

That is a problem. But you did not ask a question.