Hi, I have a brand new Samsung M30S mobile phone. Since today afternoon the OS is crashing and I am unable to access the phone. The error msg which is displayed saying "UI is not responding" "wait or close App". Can someone pls help in this matter??...

Hi, I am facing some issues with Samsung Notes App. Since morning I am unable to open any saved notes and everything just shows a blank page. What has happened to the app ? How do I recover back my saved notes ? Pls help.