Getting the newest security patches for your iPhone usually means you have to be running the latest flavor of iOS; nowadays, that's iOS 26. In response to serious threats, Apple sometimes offers patches for older versions of iOS on devices that can't be updated. But if you can update your iPhone to the latest OS and simply choose not to, you're generally out of luck. Now, a new and dangerous exploit has prompted Apple to backtrack on that policy. Also: I've tracked Apple...