We've already seen Sony Ericsson's new Aino smartphone (and its wireless headphones) pass through the FCC once before, but we've only just now been treated to the first proper photo shoot of the device, including the usual peek under the hood. What's more, the new filing also offers yet more (fairly indisputable) evidence of the existence of a US 3G version of the phone, and those interested can get another look at the phone's manual if you missed it last time around. Hit up the read link below to dive in.