Please tell us some basic information before asking for help:
Model Name: ROG Phone 6Pro
Firmware Version: N/A
Rooted or not: N/A
Frequency of Occurrence: Intermittent
APP Name & APP Version (If your issue relates to the app): YouTube, Facebook, Spotify, other video/audio apps as well
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
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I have noticed instances where my sound cuts out/fluctuates, The volume will stagger, like it goes up then down, or down then up as I'm moving the volume, if I'm trying to set the volume high to listen to something, it cuts out to a super low where it can barely be heard, this has only happened after the last week or so.