ok so i had 3.0 on my iphone 2g on tmobile usa, and i had push working fine. i upgraded to 3.1.2 and cant get push working at all. i have tried booting and jailbreaking with an at&t sim card, i tried the push fixes out there, i tried for 9 hours and no luck, i do this all the time and i cant figure out anything. anyone know of a fix? thanks