SoftwareSerial portOne (0, 1);
,,,,,,
Serial.begin(9600);
portOne.begin(9600);
You are trying to use the same set of pins for software and hardware serial.
SoftwareSerial portOne (0, 1);
,,,,,,
Serial.begin(9600);
portOne.begin(9600);
You are trying to use the same set of pins for software and hardware serial.