the keys are hidden, if you read the article on it, stated that.
i think this will be 4g theres no actual confirmation on this. plus why dont they just make 4g phones , if people dont wanna use the 4g they can just use the 3g like in the evo .. i dont see the point of making a 3g phone anymore
BMX mentioned this a few weeks ago. Its 3g no LTE.
and no scroll pad on the front (I actually use it more than I thought I would)