True to its earnings guidance in Q3, which surprised investors at the time, HTCís Q4 results (pdf) for the period October to December showed a sharp decline in profit of 25 percent. The result marks HTC's first decline in two years, after riding a wave of success with a series of hit Android-powered smartphones. However, recently it has lost ground to Samsung in the Android space, which by contrast has been riding high on all-time record smartphone sales.