Please reset network setting of both Sim one by one and than reset all settings of your's device in general management settings also Flight ✈️ mode on n off one time, restart your's device without any Sim in slots, interchange Sim in slots, turn off power saving mode then try to it's again. If you like please accept as a solution it's help to others users also, click on 3dots in my reply section and click on accept solution. Thanks.
As per your query, we request you kindly share the log file. Also, share video clips and images for better understanding. This will help us to further investigate and resolve this issue.
Samsung Members Application (Open Samsung Members Application > Support> Tap on error report > Type your query > Send).
Note: To ensure relevant log information is included in the error report, submit the report within 3 minutes of encountering the bug or error, and do not terminate (swipe away) the Samsung Members application until you are notified that the report has been sent. This can take up to 5 minutes.
Contact customer care number and if they don't solve your problem, visit Samsung service centre and even after it doesn't solve your issue then go to consumer court. Don't hesitate to go there. Your money will be refunded with heavy penalty to Samsung
