that depends on the jail breaking program u use and your software version
Yes, the jailbreak will be lost. When you upgrade your iPod Touch software, it is completely reinstalling the software used to run it. When you jailbreak an iPod Touch, you are only jailbreaking the software, not the actual iPod.
Yes, you can. Go to jailbreakme.com on your ipod touch and you can directly jailbreak your iPod Touch from your iPod.WARNING: Make sure your ios version of your iPod Touch is 4.2.1 or lower or it will not work.
No unless you Jailbreak it and there are stuff like the 4th software update
Updating the iPod Touch software erases the jailbreak. You can update, but it will erase your jailbreak.
It depends on what software your ipod is running.
Redsn0w.
You can use several tools to do this. Just google "iPod Touch 4th gen jailbreak" to find one that suits your needs
Currently, a 3rd generation iPod Touch cannot be jailbroken. The 3rd generation iPod Touch has a built-in firewall of sorts, and prevents jailbreaking. This was a measure taken by Apple to ensure that no one can jailbreak the iPod Touch. However, there is a jailbreak software currently being beta-tested for the 3rd generation iPod Touch.
How to jailbreak my iPod touch
not possible. you have to download software onto an iPod touch via PC
No. BUt it can be bricked if you don't do it right or used the right software.