 
   Serial.begin(115200);
   Serial.println(F("Testing basic GPRS"));
-  ss->begin(9600);
+  serial->begin(9600);
 
   mainMenu();
     

  Serial.println(F("[S] create Serial passthru tunnel"));
  Serial.println(F("-------------------------------------"));
  Serial.println(F(""));

void loop(){
  while (!Serial.available()) {

      }
    case 'G': {
      }
  }
}
