! WORKAROUND ! This should hopefully fix all of your issues with double notifications/sound in DND until Google fixes their apps. Note 9 SM-N960F with the latest CSDL firmware here. (Odin flashed cause I was hoping that going from CSD2 to CSDL would fix it. Spoiler alert, it didn't) Simply roll back the Google app (back to the version that your phone came with, disable and re-enable and then disable auto-updates) and uninstall the Google Asisstant app. Hope it works for you guys as well! The issue is indeed caused by Bluetooth connections with Assistant enabled devices such as my Bose QC35II or Sony WH-1000XM3 but i've heard some people get it from other bluetooth headsets. Cheers!
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