smart hub

I have a samsung j5290 43" and the smart hub and all the tv option menus has a very poor image quality, i tried to update but seems i have the last update patch, can i fix it or is just that way? i am currently using the xiaomi mi box and the image quality is much superior so its not the tv itself

Hey all.... This is a fix for those of you with a Samsung Smart TV and facing Smart Hub Issues. Your apps may not be working or not showing, up even though your internet and network are fine. Plus you get a "Function not available" message when trying to reset. (quick fix for this is to...