camera arbitrary rotation in vr

Good evening

I have this problem. I have created a virtual tour using a first person character. When I use the vr modality on my smarphone, camera turns upside down if the phone is not perfectly horizontal. Particularly this happens when I turn down the phone top and move the visual up and down.

Thank you

DSCN0142.MOV

Hello.

Probably, it is a Firefox's bug. We have written a bug report.

Right now it is better to use Chrome for your applications.