@arunkumar I think for focal on Volla 22, you can report issues here : https://gitlab.com/groups/ubports/porting/reference-device-ports/android11/volla-phone-22/-/issues

@treebeard : Thanks for sharing the reason! Hopefully it will help others to prevent this experience.

@Ian Hi, its working fine, i did restart my phone by removing the battery. But still i am facing sound issue in phone call loud speaker, I feel its low.