This applies to my new Galaxy S21. Group texts are now called chat rooms in settings. There is no sound when a group text comes in. The screen will light up briefly, and there will be an icon on the lock screen, and a notification. But no sound. And I cannot set a sound, there's no option in settings. Help is appreciated. My most important group text is from family who are thousands of miles away. I keep missing it without sound. Using the messaging app that comes preinstalled with the phone.
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