Telstra mobile upgrade at Vivonne Bay, Swoop fixed wireless down across island 20/04/2025 FacebookTwitterEmail An aerial view above Vivonne Bay where residents have been dealing with less-than-ideal telecommunication service. (Stan Gorton: 473004) While Telstra says it has upgraded mobile service at Vivonne Bay, residents across Kangaroo Island have been dealing with ongoing […] Subscribe or Login to see the rest of the content. Username Password Remember Me Forgot Password