The Google Pixels are always the first to get new major Android OS updates as they are released. This is because the Android operating system is developed by Google itself.
Phone manufacturers in the Android ecosystem customise the OS with their skins and apps for their suites of phones, which means new major Android OS updates don’t come until later for those users.
Samsung is one notable example, they customise Android OS with One UI, which is Samsung’s custom skin for their range of smartphones that run on Android OS.
Optus CEO Stephen Rue says it had a technical failure yesterday which impacted 600 triple zero calls in SA, WA and the NT. As a result of welfare checks it found three people died because they could not connect to emergency services.