If your Samsung smart tv is having issue with apps not loading or smart hub not working or cant open smart hub, amazon prime app not working, stuck on logo screen or apps become unresponsive and Samsung smart tv restarts on its own, some times there may be an issue with the firmware of Samsung smart tv, then you need to update Samsung smart tv to the latest version Samsung by using internet or by downloading Samsung system firmware update software  on USB and update Samsung software via USB. So, lets see in detail how to update Samsung smart tv in detail.
Before updating your Samsung smart tv make sure you have connected to internet.
How to Update Samsung smart tv:
Step 1: Turn on your Samsung smart tv and press home button on your remote.
Step 2: Scroll down to support and highlight support and press ok
Step 3: Press ok on software update to update system software.
Step 4: Once you click on update now, Samsung smart tv will check if there is any new version of system firmware is available or not, if any new version is available it says new version available and click update now to update Samsung software.
Step 5: Your Samsung smart tv will start updating software and restart your Samsung smart tv once update is completed.
That’s it, this is how you update Samsung smart tv using internet using settings and update options.
How to check software update is available or not?
Click on home button on your remote->Settings->Support and now highlight update now, your Samsung smart tv will automatically check for update and if update is available it will ask you to update now and click ok to update and don’t click on ok if you are not willing to update Samsung smart tv.
How to find Software version of Samsung tv?
Grab your remote and press home button->Settings->Support->scroll right and highlight update now option and on the right corner of your screen you it will show software version number which is installed on your Samsung smart tv.
Home->Setting->Support->Software update->Update now to update Samsung smart tv.