Please perform the following steps to resolve issue:
>Clear the RAM memory of device (Scroll down notification panel > Setting> Device care >Memory> Clean Now).
> Stop the background running app (Tap on the left soft key and close all the running apps).
> Check for the latest device update ( Menu > Settings > Software Update > Check for update).
> Please follow the standard charging procedure (i.e. charge a fully discharge battery in Switch-off mode up to 150 minutes).
For further assistance, register your concern in Samsung members app (Open Samsung members app>click on “+“icon>send feedback>Error report/ Ask Questions).
Team Samsung Members