I have been using the S23 Ultra for 2 months now and everything was fine until last week it prompted me to update to the new OS One UI 6- which I did. Ever since i updated the OS, I observed the Wifi service has become poor and often disconnects on its own. I have restarted device severally and even reset network settings but there is still no improvement. I have other devices in my house that use the Wifi and they work just fine that is how i know the Wifi router is not the problem. Also it's not coincidental that I update my OS and then wifi starts misbehaving. Is there any one that has experienced this? how did you get it solved?