I've been having random reboots after making phone calls. Initially it was something I related to issues with Android Auto, since it hasn't happened any other time. But I've had it happen while just making a phone call with the handset as well.
Hello , Thank you for your feedback. If you haven’t already, Please update Samsung Members app to latest version from the Galaxy store and send us an error report immediately after experiencing the issue from the Samsung member’s app -> Beta Feedback -> Error Reports to help us debug the issue. We apologize for the inconvenience and appreciate your contribution to the beta program.
