The 4 hour rule sounds VERY annoying. It means for example I'll be forced to type my passcode after waking up. So many years of Touch ID will make such a burden UNBEARABLE.
I think that's a misinterpretation. Here is the full quote:
> You’ll also get a passcode request if you haven’t unlocked the phone using a passcode or at all in 6.5 days and if Face ID hasn’t unlocked it in 4 hours.
You already need a password if you haven't used TouchID in 48 hours.
This rule seems to exist to make sure you have to enter your password after about a week if by then you go over 4 hours without using FaceID.
You don't need to use a password any time you go more than 4 hours. I agree that would be insane and would be much stricter than what they apply to TouchID (which they say is less secure).
EDIT: I notice the GP's comment seems to have been edited since the time you posted yours.
That's not the way I understand it. I read it as "you'll need the pass if you haven't unlocked with touch id in 6.5 days AND you'll need the pass if you haven't unlocked with face id in 4 hours"
This interpretation is very unlikely, given that it would be redundant with the first bullet point: "If you haven’t used Face ID in 48 hours [...] it will ask for a passcode".
Assuming that Apple engineers aren't stupid, the correct interpretation is "we want people to enter their passwords at least once a week so they don't forget them, but we also don't want to bother them if they're in the middle of something". So yes, once a week, you will be forced to type your password upon waking up.
I read it as "you need to enter your password if you haven't used your phone in a week, but if you use your phone every day, you only have to enter your password after each reboot"
That part was worded in a bit of a clumsy manner I think. It is in combination with not entering the passcode in X many days, as it already is with Touch ID (You may have already experienced this occasionally - waking up and randomly needing to enter your passcode instead of being able to use Touch ID).
