Another iPhone HD / 4G prototype has surfaced in Vietnam, and “it seems like a sightly more polished version of the one lost in California,” according to Gizmodo. Video after the jump. Click here for first picture in gallery.

The photos show it turned on – with some kind of console screen titled Inferno. The photos and video also show some new interesting details, like its processor and changes in its case design.

[via GizmodoTinhte]