Yeah i saw harpreet comment ( i checked both phone and tv have the same enenternet connections) and i also did the reboot after entering safe mood but still it was no good i have started to realize that the problem is from the tv because now other...

Thank you sir for everything yeah i did as you told and thank god i found it i deleted the cache and data then rebooted my phone / restarted it . Still i didn't work unfortunately i don't why but it didn't but i really appreciate all your advices

I tried that too i don't have the app the problem started after the last update of ui3

There no smart view app in my phone T-T i tried to go to Samsung store but i didn't find it there either

How to do that i can't find it in the apps to clear cache