Neither LG’s nor AT&T’s pre-CES conferences had much to show off in the way of smartphone hardware, but Huawei has just changed all that here at its press event at the Mandalay Bay Convention Center. The Chinese company finally put weeks of speculation (not to mention a slew of leaks) to rest with the official announcement of the Huawei Ascend Mate and Ascend D2 — a pair of Android phones with plus-sized displays.