Go to TV Settings from the Home screen.
Select General -> Setup or General -> Reset depending on your TV model to restart your Samsung TV.
Make sure not to use the SmartThings app during the setup process.
Enter the PIN code. It is usually ‘0000’ unless you’ve manually changed it before.
Choose your preferred language.
Set country to Other.
Continue the setup as you’d usually do and stop at the Terms and Conditions page.
On the Terms and Conditions page, follow the path on your remote:
Traditional Remote: Mute > Volume up > Channel up > Mute
Samsung One Remote: VOL -> VOL Up -> Channel Up -> VOL
Choose UK from the list of countries or choose Full Apps to get access to all compatible streaming channels and applications.