Since the new remote came out ⁓2^(1/2) months ago, many people posted/commented that the volume control & mute buttons are not showing up/disappearing after pairing with their device.
It's not an issue with the app or your phone. It's an issue with your TV.
Different manufacturers handle HDMI-CEC differently, and some manufacturers (notably Samsung) doesn't allow external devices to control the internal volume via software remote.
Read more about it here
https://www.ign.com/articles/ces-2022-schedule-date-events-news-announcements
Does anyone know what to do - can't install any apps because of lack of free space but I have 100's of GBs free: https://imgur.com/a/CxbClcZ. Have tried clearing cache & data of many apps and Google Play Frameworks. Am looking to avoid title wipe if I can. Any advice would be greatly appreciated. Thanks!