Hey if you are still facing the issue with automatic restart, then request you to please turn out to the feedback section for help and raise an error report.
Kindly follow the steps as below:
Log in Samsung Members app > Click “+ button” at the bottom right > Click “Send feedback” > Click “Error reports” > Add detail of symptom and attach the system log data (click checkbox)
*When you abstract the log file. Please check off the pop-up message: log file delivered
You can also check this link which explains in detail the entire steps to send feedback: https://r2.community.samsung.com/t5/Community-Guidelines/Send-Feedback-Report-a-Bug-to-Samsung/m-p/3...