If I have an ROR warrant then completed requirements, can my PO amend my status or do I still need to go turn myself in?

Not an immigration question, I will re-classify it.

How can I switch to H1B after being in the US for 8+ years on L1 and H4 visas?

You seem to already know the answer to your question .... an approved I-140 will be necessary. Until that time, stay on your H-4/EAD.

My husband withdrew my I-485 and adjustment of status without my knowledge. We were married for 12 years . Please help .

I agree with my colleagues, VAWA may be your only option.

Is it possible for me to apply for an asylum/refugee visa now? Manila City Philippines is on a lockdown because of Covid19?

Sorry, the CoronaVirus can not be used as the basis for requesting asylum in the US. Plus, the Philippines are not in full lock down. Filipino...

Are you applying for adjustment base in the immigration and nationality act(INA) section 245i?

No, section 245i is a VERY OLD law that does not apply to recenly issued K-1 visas.

Can I cancel my J1 visa and stay in the US with my valid tourist visa while in the states

Yes, you can go home to Mexico for more than 30 days and return using the B-2 visa, or you can pay the fee to file form I-539 to change from J to B.

Will I get a new F1 visa?

Hmm ... although it would be interesting to know why the company (not you) had their H-1B petition denied ... your DSO can help you get a new I-20...

I agree with my colleagues, your husband is the principal applicant for the I-485.

I have not marriage certificate for citizenship what happend?

Have you tried to get a certificate from the government office where the marriage took place? Please explain.

How can i get a dna test done when cys wont look into it cuz a different guys name is on the birth certificate an they wont into

I have no idea what CYS is ... but I do know that this isn't an immigration question. I'll switch it to family law.