hi every bady , i have a 3gs ios 4.3.3 jailbreaking with ipad bb , i installe ios 5 beta 7 but i can't use it because for devloper , and i dwngrade succefuly to ios 4.3.3 , but when i installe ultrasnow to unlock my iphone it didn't work so i bricked the base band , so i want to reinstaller the custum snowbreez firemwire with ipad base band and its done succefuly but 10 minutes after the iphone go to dfu mode so i tried tinyunbrella and fix recovery and ireb and redsnow 0.99b1 and b2 to fix the dfu mode but i cant so it was in dfu loop , and how to fix dfu loop ? please