From QF 'Conditions of Carriage' :
https://www.qantas.com/travel/airlin...obal/en#jump11
We may also ask you not to operate any electronic devices including cellular telephones, laptop computers, recorders, radios, CD players, electronic games, laser products or transmitting devices, remote or radio controlled toys that could interfere with the flight. If you fail to comply with our requests, we may retain the device until the end of the flight. Hearing aids and heart pacemakers are permitted