Vivid Wireless uses 4G LTE technology that is designed for data transmission in contrast to technology that was built for phone services. The company has a 14-day money-back guarantee for network issues. Vivid Wireless serves Sydney, Melbourne, Adelaide, Brisbane, Perth, ACT and Central Coast. If you are a Vivid Wireless customer and are witnessing any issues with your signal on the Vivid Wireless network, you can get it factored in our outage map by giving us the details. Our outage map is built with inputs from across the network.