Pending 485 throuth D.O.R.A move to other state

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Hi,

I applied my 485 on Dec 2006 and my case is in NBC.(Missouri)

Unfortunately my case is still pending because of the Name Check, I guesS.

Here's my question.

I have to move to the other state for my job.
Do I have to keep my address in Texas until my case IS being approved OR receive the Green card?

Or I can simply move and report change of address by using Internet?

I guess If I keep the Texas address, there'll be problem, when my EAD expires and have to renew it or fingerprinting.

Is there any one who can give me an advice?

THANKS.