yeah as above, it used to work then i updated it to the iOS 4, it worked after but now it wont.(it keeps saying its not compatible, however, after 10-15 minutes plugging and unplugging the usb it normally works) is there a solution to this. halfords, i know lol, have advised me to download a software update from the sony site but i cannot find one for this or any HU really. my next solution will be to mess with the ipod OS which i dont really wanna do. thanks for your help.