A software issue preventing older Apple devices from connecting to a major telco and accessing triple-0 has been resolved after more than 12 hours. A software issue preventing older Apple devices from connecting to a major telco and accessing triple-0 has been resolved after more than 12 hours. Credit: News Corp AustraliaA software issue preventing old iPhones from connecting to a major telco and accessing triple-0 has been resolved for some users after Apple released a carrier settings update. The software updates include iOS 18.7.4, iOS 16.7.13, iOS 15.8.6 and iOS 12.5.8. “We recommend customers using these devices delay updating the software on their device until we confirm the issue is resolved.”