After releasing the source code of Android OS 4.1 Jellybean yesterday, Google and took the field with the updates, and the first smartphone that will receive the new version of Android will be the Galaxy Nexus HSPA +, in fact, who owns one and can be updated and you can start enjoying all the great features that brings Jellybean .
Also worth noting that Google has already spoken on other devices that will receive the new update, and will include: all Galaxy Nexus, the Nexus S, the Motorola Xoom and Nexus 7 that will Jellybean by default, so you will not have to update.
If anyone around here has a Galaxy Nexus with HSPA + would be nice to share what you think about the new features.