No, but it is a good idea to back it up before updating.
Updating the iPod Touch software erases the jailbreak. You can update, but it will erase your jailbreak.
No, updating the iPod Touch software does not clear it. Every bit of information stays on there.
No, getting a new screen won't effect your data
no, updating your ipod will update games and bugs on your ipod but leave music
To erase pics from an iPod touch all you have to do I'd erase them from the directory on the computer from which you uploaded them to your iPod and they will be erased from the iPod at next sync.
Updating the software to 2.0 does not make the generation of the iPod Touch a 2nd gen.
No.
no at least not when you are updating the ipod touch to the 2.2
If you can't access apps on the iPod Touch, then you should try updating the software version of your iPod Touch to the latest version.
it depends on the strength of the electromagnet. if you have a case with a magnet, that doesn't have enough strength to erase it, though other magnets should be kept away from your ipod. however, even if you accidentally erase your touch, you can still re-sync your songs to your ipod touch via a computer for free.
The most memory that I have heard for a Ipod touch is sixty four gigabytes, which is for the third generation Ipod touch. You can buy them anywhere online.
smash it with a hammer