Web rtc problems on android devices

hi, i made an update a couple of weeks ago. before that, everything worked. now when i try to contact my jitsi instance from a mobile phone (lineageos 18.1) the browser tells me: error on accessing the microfone, also for the camera, no access.

the jitsi app works without problems, so i am pretty sure it is a problem with the web stuff.
anyone an idea how to get more information?

edit: others also had this problem on my instance, running nightly on debian 11

Can you provide browser console logs?

not sure how to get them - its a default lineageos (LOS) 18.1 installation on an oneplus 3t
i use the default system browser that is shipped with LOS

I have no idea what that browser is. Can you test with Chromium or Firefox?