For the most part status is meaningless when youre in. However, I believe I read that you get status early on so you can advance through ranks. Also It says citizenship would be revoked if 5 years arent met
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Mailing Method Certified
Date Received - 08/30/2012
i797c letter- 09/07/2012
Biometrics- 10/02/2012
Approved- 11/26/2012