iPhone lost all music, videos and its name

[RickRandom]

Hiya

I've had an iphone for couple of days now. 1.1.2 with itunes 7.5. All worked fine until i plugged it to my powerbook for recharge, sometime after that i noticed that my scarface wasn't at the point i had left it or in fact wasn't there at all also all of my music was gone. the ipod section was empty. Now itunes sees the whole phone as "untitled playlist" so it lost its name too.

After a new sync the free space indicator shows correctly 400mb of video and 400mb of music but also over 2gb of "misc" which isn't really anything. But when i resynced my entourage episode it started where i left it before it went missing (guess the phone just writes down those locations?) So is the library corrupted? can i fix it and how? or is the only option to restore the phone to factory settings, meaning jailbreaking it again? how can i change the name?

Thanks

[RickRandom]

for a couple of times now the screen has frozen when i turn the screen on and the unlock slider won't move and the screen is unresponsive. Don't know if these are connected? is my phone slowly dying :(

[radumarias]

Did you find any solution to this?

I have the same problem. I upgraded from firmware 1.1.2 to 1.1.3 and after a day my multimedia content has disappeared but the space is used (iTunes report it as Other).
Before that happened I put some ringtones (these are now lost too) by converting an mp3 to aac with iTunes and changing the extension to m4r in order for iTunes to recognize it as a ringtone, don't know if this is related to this.

[radumarias]

This seems to solve the problem http://forums.macrumors.com/showpost.php?p=4294542&postcount=3 (Erase data an contents).

[davefromtx]

I had the same problem today (all my music disappeared, but the space remained occupied as 'other').

I updated my iTunes to the latest version, and the problem went away. Much better than having to do a full restore.