Notification sounds not working

I just got a Galaxy Note 10, and I'm not getting notification sounds for texts and WhatsApp, just vibration. I checked all the settings - apps are not sleeping or muted, I cleared cache, and can't think of anything else to do. In doing research, this seems to be a known issue since at least 2019. For what this phone costs, I should be able to get my notification sounds. Anyone else with this issue?

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Re: Notification sounds not working
Customer Service Rep

gbdlk, ensuring your device is working as expected is imperative, and we are here to help. Other than WhatsApp and text messages not receiving the notification sound, what other applications are you not able to hear the sound from? Does this issue happen when you have a Bluetooth device enabled or when you attempt to hear a sound through your speakerphone directly on your device? When did this issue begin?