What is this status about? I didn't request for any name update. Is this something I should call USCIS and ask?

The USCIS online case status is not perfect; sometimes updates show up which are not true to the actions taken. It's possible that some other...

If you entered the US more than five years ago, you should have been issued a physical I-94: a small white card attached within your passport.

Do I've to fill any document or answer any questions?what's about?do I've to bring a copy of my N-400form?

It looks like you are inquiring about what to bring to your N-400 biometrics appointment -- you just need to bring the biometrics appointment...

Can I start working with I797C notice of action ?

Assuming your case with employer B has been approved as an extension of H-1B status (ie with an I-94), you can begin working for the employer B.

Yes, in theory the employer could initiate the green card process for you while you are on F-1 OPT. This could complicate your ability to travel...

Do I need to inform Company A about filing with Company B? Do I need a letter of approval from Company A for USCIS filing?

You don't need Company A's approval for Company B to file a petition requesting concurrent part-time H-1B employment. Remember that if you...

Assuming the case is properly filed with all required forms/signatures/fees, the electronic receipt notice for premium processing cases is usually...

What steps could I take to make my illegal parents residents? Is it even possible?

You can file an I-130 immigrant petition for each of your parents, and they might also be able to file concurrent I-485 applications and adjust...

Then what is the application type (question 2 in i-485)

Your mother can mark option A based on the concurrently filed relative petition which will give your mother an immediately available visa number,...

So can I go to korea and live there for a couple of year as now a naturalized citizen who became a citizen abouth a month ago?

From a US immigration perspective, as a US citizen you can live anywhere. Make sure to comply with laws such as filing US tax returns when...