If you are facing this issue then create a Bixby routine that when you are outside home or open a app which requires location it will automatically turned on and will turn off if you are not using apps which requires location access and when you are inside home
As per your query, we would request you to kindly perform the following steps to resolve your issue.
Decrease the screen brightness: If your device is heating, decrease the screen brightness sometimes high brightness levels may cause the heating issue.
Close background running apps: ''Multiple applications'' are running in the background of the device? When running multiple applications, the processor processes more tasks and as a result, additional heat is released from the device. This happens with most electronic devices (even computers/laptops), including the devices of other manufacturers. Close all applications not in use. This can be accomplished by using the recent application button located to the left of the home button.
Uninstall the unnecessary apps: Too many apps installed on the device may cause the device heating issue. Uninstall the unnecessary apps if not using them.
Long duration of graphics intensive gaming sessions Long duration of graphics-intensive gaming sessions may cause the heating issue.
Usage of mobile phone when charging The usage of mobile phones when charging may cause a heating issue. So we recommend you avoid usage of mobile phone while charging.
If the issue persists kindly report the problems with a log file. To share a log file, click on the Samsung Members Application (Open Samsung Members Application > Support> Tap on error report > Type your query > Send).
