honestly this is incredible, though i'm not sure how the android space is catching up? apparently google and samsung have been promising 5/6 years of software updates recently as well
A product information sheet must be published for each new device, and one of the categories included is how long the device will receive security updates:
e.g. for iPhone 17 Pro:
https://regulatoryinfo.apple.com/cwt/api/ext/file?fileId=ene...