def Oem(self, command, timeout_ms=None, info_cb=DEFAULT_MESSAGE_CALLBACK):
        """Executes an OEM command on the device.

        Args:
          command: Command to execute, such as 'poweroff' or 'bootconfig read'.
          timeout_ms: Optional timeout in milliseconds to wait for a response.
          info_cb: See Download. Messages vary based on command.

        Returns:
          The final response from the device.
        """
        if not isinstance(command, bytes):
            command = command.encode('utf8')
        return self._SimpleCommand(
            b'oem %s' % command, timeout_ms=timeout_ms, info_cb=info_cb)
Executes an OEM command on the device.

        Args:
          command: Command to execute, such as 'poweroff' or 'bootconfig read'.
          timeout_ms: Optional timeout in milliseconds to wait for a response.
          info_cb: See Download. Messages vary based on command.

        Returns:
          The final response from the device.