docs: def doUpdate(self, timeout=1):
          """Do a software update of the Fritz Box if available.
  
          :param float timeout: the timeout to wait for the action to be executed
          :return: a list of if an update was available and the update state (bool, str)
          :rtype: tuple(bool, str)
          """
          namespace = Fritz.getServiceType("doUpdate")
          uri = self.getControlURL(namespace)
  
          results = self.execute(uri, namespace, "X_AVM-DE_DoUpdate", timeout=timeout)
  
          return results["NewUpgradeAvailable"], results["NewX_AVM-DE_UpdateState"]