The galaxy buds are rendered useless after the security patch I can no longer use them for calls tried disconnecting them and "resetting" them now I'm stuck with buds that are super quiet cannot be used for calls, forget about ambient mode, they just plain arent compatible on the note 9 or wearable app they just show as disconnected even if I'm listening to music
I had similar issues after the update. Mine was with text messages and the connection to the server. After clearing the cache, force stopping the app, playing in safe mode and on advice, I reset all my connections. Settings > connections > More connection settings > Reset connection settings.
Afterward, worked perfect. Something to try. The bad thing is you have to re-pair every connection. Bluetooth and wifi. But on mine, it fixed my connection issues.