Yeah, they go quite a bit back when it comes to full iOS updates, and even further back when it comes to security updates.[0]
The oldest iPhone that supports the most recent full iOS version update (iOS 16) is iPhone 8, which was released in 2017. And they released a security update for iOS 12 in August of 2022 that supports iPhone 5s (released in 2013).
That would make it 5 years for full OS updates and 9 years for security updates.
The oldest iPhone that supports the most recent full iOS version update (iOS 16) is iPhone 8, which was released in 2017. And they released a security update for iOS 12 in August of 2022 that supports iPhone 5s (released in 2013).
That would make it 5 years for full OS updates and 9 years for security updates.
0. https://support.apple.com/en-us/HT201222