Some of the manual controls simply do not apply for video recording (like Shutter speed & white balance). You can lock white balance before recording, but not during recording.
- Can I adjust the exposure time (shutter speed) in Nokia Camera?
- What is Living Image in Nokia Camera on my Lumia phone?
- How do I get Nokia Camera app on my Lumia phone?
- What is the bright light that goes off before I take a photo in the Nokia Camera app?
- Are DNG files captured by Nokia Camera uploaded to my OneDrive on my Lumia?