That might be the way to go if DACA doesn't go through for you, but like many said, speak with an attorney. I would file for both applications if you can afford it.
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Delivered: 08/31/2012 Chicago
G-1145 Notification: 9/4/12 Routed to Vermont
I-797 Date: 9/4/12
Biometrics For: 09/28/2012 (DONE)
Approved: 1/18/13 EAD: 1/24/13