Just hours ahead of Nokia’s official Lumia 1020 unveiling, AT&T has posted a promotional video to YouTube showing off the upcoming handset and several of its features related to video capture. The video notes that the Lumia 1020 supports 6x zoom while recording 720p HD video, it is capable of capturing “high-quality stereo with deep bass,” and it includes dual high-performance microphones. Nokia is set to debut the Lumia 1020 during a press conference starting at 11:00 a.m. EDT, 8:00 a.m. PDT on Thursday, and BGR will be on hand covering the event live. AT&T’s video is embedded below.