have jailbroken this phone using redsn0w_win_0.9.8b3 and seemsdone i think, opened cydia fine, tried to install an app, seemed to install fine but then had to reboot device(only option on screen) and iphone stuck on logo screen!! After finally managin to get pc to see iphone did full restore etc but now wondering if safe to try installin another app, dnt wanna go through full restore etc again or am i doing something wrong??