Typically USCIS has two updates before GC comes to your hand.

来源: 于 2008-12-22 15:20:10 [旧帖] [给我悄悄话] 本文已被阅读：次

The first one is the card production, and the second one is approval notice sent. If you see your online status is in second one. Your GC should come in two weeks. My experience.