Every flagship iPhone since 2011 has gotten at least five years of both OS updates and security updates, with some newer devices (including the $399 iPhone SE)

Every flagship iPhone since 2011 has gotten at least five years of both OS updates and security updates, with some newer devices (including the $399 iPhone SE) getting as many as seven years. Even after official support completely ends, Apple tends to go back and issue patches for active exploits. The nine year old iPhone 5s just got another security update a couple of months ago.