Galaxy S8 / S8 hype is still high but news about upcoming (possibly next year, as always) Galaxy S9 started floating around tech portals.
In some cases it is recommended that you leave the device turned on for at least 5 minutes. Using your remote control, go to the TV’s options menu by clicking the “MENU” button on your remote control. If there is an update available it will begin installing automatically.
Use the down arrow on the remote to go to the “Support” tab (appears next to the question mark symbol “? I followed these steps but my Samsung Smart TV didn’t update!
If this is the case, it is probably because there was no update available.
However, in some cases we have found that some Samsung devices are not capable of automatic updates, so it may not have detected a new firmware version to install.
It's unlikely you could use any tool of this type while the system is up.