(Telecompaper) HTC expects little improvement in its results in the first quarter. In a presentation of its fourth-quarter results, the smartphone maker forecast revenue flat to lower on a quarterly basis in the first three months of 2013, at TWD 50-60 billion. The gross margin is estimated at 21-23 percent, versus 23 percent in Q4, and the operating margin is expected to drop to 0.5-1.0 percent, from 1.0 percent in the previous quarter.