I'd like to get Meta Quest 2/3 Controller's battery state and I use GetControllerBatteryPercentRemaining().However it is always returning zero.Is there anyway to get controller's battery?

I create an app with Unity and I'd like to delete a file in my "Movies" folder. However the file is not deleted(File is exist and i'm using File.delete) although my app has permission about external storage read/write.here's my code. string filepath ...

I want to let that some specified PC can access HMD's internal folder and others cannot.Can I do that?If I can, how can I do that?