I using s10 plus and i am getting microphone issue while calling i have updated my phone to latest Version 13 April is this software issue or hardware #s10plus 

I using s10 plus and i am getting microphone issue while calling i have updated my phone to latest Version 13 April is this software issue or hardware #s10plus 

My s10 plus is heating while charging phone back gets fully heated and charger also no apps is running  in background and my phone battery is also drain very fast wht is issue can be there in my phone battery or charger can someone  help me out in th...