At long last, the illustrious Android ICS refresh can finally be enjoyed by proud owners of that AT&T-branded Xperia Ion. Naturally, this long-awaited update brings a slew of new features over to Sony's 4.6-inch handset, including an enhanced browser, offline reading mode, the beloved facial unlocking method first introduced with Ice Cream Sandwich and the promise of improvements in mobile hotspot / WiFi speeds. Additionally, AT&T says there are other tweaks in calendar and email that should, in theory, help you stay better organized, while the Maps and YouTube should also perform better "when rotating between portrait and landscape views." Sound good? You'll find all the setup details at the source below, and don't forget to tell us how it's playing out for you.