Apple drops unexpected iOS update, including older models—full device list

Apple surprises users with unexpected update, quietly reviving older iPhones and iPads.

Apple patches ancient iOS versions to keep iMessage, FaceTime, other services working

When Apple stops supporting older iPhones and iPads with the latest version of iOS or iPadOS, it usually isn’t the end of the line—Apple keeps releasing new security-only patches for those devices for ...

These 'Obsolete' iPhones Just Received a New Update

Apple released a new update for the iPhone 5S, iPhone 6, and iPhone 6 Plus, but don't expect any new features.
Macworld

Apple patches bug causing iPhone network issues in recent update

Apple has moved rapidly to address an iOS bug, which earlier this week was reported to be causing serious network issues in Australia.