How do I file a Mobile Extras Service Request? To file a service request for your JB Hi-Fi Mobile Extras plan head to the SquareTrade website. Make sure you have your device and IMEI for your device ready. Related articles How do I cancel my Mobile Extras plan? What is Mobile Extras? How do I get my Trend Micro and Apple product bonuses? Refunds & Warranties guide What is covered on a mobile phone warranty?