So i searched and searched but couldnt find anything so here it goes, i have a s3 i9300 and i updated it to 4.3 by using odin. and now i cant connect to any computer or odin and even if it does, sometimes, odin stucks at get pit for mapping. i downoaded pit and tried to flash it too but it wont. i have stock recovery so cant do anything from the phone. Help would be much appreciated!