help with upgrade 1.1.5

[junebug]

I have 1g. ipod with 1.1.5 firmware, I would like to upgrade to 2.2.1 but can't even buy from itunes,I no store here at Puerto Rico. Can anyone help me out with where to download it?

[acosmichippo]

try this (http://www.apple.com/ipodtouch/softwareupdate.html).......