How do I know if there is a network outage in my area? JB Hi-Fi Mobile is brought to you working in partnership with Telstra. To see if there’s a network outage in your area, Telstra's outages page. Related articles What can I do if I wish to make a complaint about my JB Hi-Fi Mobile service? How do I get my PIN or PUK code? Live chat with us Can I change the nominated store of my Click & Collect order after purchasing? How do I activate my Pre-Paid SIM?