some people tell me that it automatically installs awesome apps and others say that it will erase some of your imformation what's so ever
There is no way to update your iPod from your iPod. You have to do it on iTunes on your computer.
all your stuff will get deleted.
You can update your iPod without selling it! First go to iTunes and plug in your iPod. Then go to your iPod summary and click "update".
You have to update via iTunes on computer
If you jailbroke it by using cydia all the apps and cydia apps will get deleted
No. Once you have updated your iPod, you can't un-update it.
When you plug your ipod in to your PC or Mac, open itunes and if there is a update for the ipod it should tell and ask you whether to update and install.
You do not pay to update your iPod Touch unless the software update is to 3.0 or 3.1.
No.
No.
There is. Plug your iPod into your computer and then wait for it to come onto your iTunes. Click on your iPod and then under all the details it should have an update and a restore button. I think this only happens if you have a 4.1 version of iTunes though.
No, you do not. Everything will remain the same when you update your iPod when it comes to apps.