January 12, 2017 22:02 Updated Follow Does MAVIS support portrait orientation? No. We have decided to stick with traditional 16:9 landscape video. Related articles Does MAVIS support timecode? The manual gain for the internal mics disappeared when I moved from iPhone 6 to iPhone 7. Does MAVIS support both landscape orientations? Why doesn't MAVIS support 'volume up' to start a recording? Comments 0 comments Article is closed for comments.