Shortly after leaving the Galaxy Nexus and Ice Cream Sandwich Google published SDK and with it appeared this version ROMs for the Nexus S. The procedure was not complicated, but had to do it manually. Since a few months have gone and the users of this terminal still have not received it automatically.
The waiting can come to an end soon. According to a reliable source of Engadget update via OTA Ice Cream Sandwich It could come in the next few weeks the Nexus s. At the moment there is no official confirmation so we could be talking before the end of the month or maybe later.
If you don’t want to wait, we must recognize that updates OTA they are so comfortable, I recommend that you take a look at the tutorial to prepare in their day. In it we explain how to make it through a few simple steps. If instead you want to wait, take a look at news from Ice Cream Sandwich to go killing time.