PhoneSplurt gathered here a few videos that look into how mobile handset companies handle industrial design.
The first video shows the designers behind the long-time PhoneSplurt favorite, the Nokia N8
Tom's Hardware interviewed HTC Director of Design Jonah Becker about their industrial design decisions on the HTC One
Apple's iPhone 5 infomercial features of course sir Jonathan Ive. The industrial design part kicks in around 4:30 into the video.
This HTC infomercial is pretty similar to the Apple one already by the thumbnail!