I have a Telstra plan; can I change to a JB Hi-Fi Mobile broadband plan? Yes, we can cancel your current Telstra data plan and sign you up to a JB Hi-Fi Mobile Broadband Plan. View our mobile broadband plans or ask our team in-store. Related articles What's included in our JB Hi-Fi Mobile Upfront mobile plans? What are JB Hi-Fi Mobile Broadband Plans? Can I bring my number from another provider? I have a Telstra plan, can I change to a JB Hi-Fi Mobile plan? What's included in our JB Hi-Fi Mobile broadband plans?