There is a network problem. The mobile works only after restarting it or putting it in flight mode after some time. 

Samsung galaxy a03s playing a song or vedios automatically sound output decrease. When device restart them full sound come back.

I am facing a critical problem about internet connection we can't reach site while browsing so a notification as you can't reached site like flipkart.com, amazone.com, sarkariresult.com etc ,problem fixed a small time when device restsrt. Device -Sam...

Why Samsung are not provide app lock for Samsung user ,in Samsung smartphone. 

Galaxy themes icon not showing. Mobile network fine ok.