Ok been doing some research on this and yes, you are supposed to be able to do iTunes Wi-Fi sync without being hooked to a power source. Now the problem is me and it looks like lots of other people is having a problem with this. As the sync now button is dim out. Now after the 4 time of restoring my iphone3gs I finally got the sync now button to work without power and it work just great. But since then it has been dim and I have not been able to undim the button. So doing more research on this to try to find if there is a solution to this. Now you that are more advance than me if you want to chine in with some suggestions please do so! Now what does that Wi-Fi sync will resume when bill24 is avaible ? What does this mean? There got to be some reason as it work once so don't know what it is wish I could get it to do it again and find out what is making it not dim then I would know how to fix the problem. Any suggestions out there! Bubba bubbathegeek@xxxxxxxxx