How to change your H-series Samsung Smart TV country to download foreign apps
Choose TV as a source and press the Menu button on your remote
Select Smart Hub
Select Reset Smart Hub and enter your PIN if prompted.
Continue the setup as you’d usually do and stop at the Terms and Conditions page.
On the Terms and Conditions page, enter the following sequence on your remote: Fast Forward (») -> 2 -> 8 -> 9 -> Rewind («)
A list of all countries will appear. Choose US or UK according to the apps you want available.
Accept the Terms and Conditions and continue setup as usual. When the Smart Hub finishes loading, you'll be able to download any app available in the country you chose.