hello i am getting an update from itunes version 3.0.1. can i donw load and install this from itunes? will this put my iphone back into normal mode where i would have to rejail break it? any information would be helpfull
Yes you will lose the jailbreak. It is an update for a possible SMS issue. There will be a fix in Cydia soon to take care of the same issue. Your choice of coarse.