Metro Cash and Carry in I-11, Carrefour / Hyperstar, Centaurus, Giga Mall, Friends Electronics seem to be the authentic sources for buying original SONY / SAMSUNG LED TVs (1st 02 places are still preferable).
For Samsung:
and
Another Great thing:
For SONY: https://locator.sony/en_XM/retailshops/?nogeo=true&cid=gwt%3Afooter%3Asee-our-location&zoom=3&latitude=24.447&longitude=41.66
(Just ZOOM IN / OUT, or give your location access to the browser to take you to your destination, or nearest to it)
I hope, all above helps and guides. Thank you.