while(ss.available()>0)
{
 inChar=ss.read();
 inString+=inChar;
}

Serial.println("Received messaged: ");
Serial.println(inString);

inString="";

if(ss.available()>0)
{
  inString=ss.readString();
}

Serial.println("Received messaged: ");
Serial.println(inString);

inString="";