Back in November of last year, we came across a set of teardown images for the HTC HD2. It was carefully taken apart and put on display like art which is always an intriguing sight to behold. Well, now we’ve stumbled across step-by-step video manuals with detailed disassembling and assembling procedures. The blue lab coat, robotic-toned narration and subtitles suggest that these are official training materials from HTC. Watch it get torn down and then rebuilt again within 14 minutes in the videos below.