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Comment by iClaudiusX | Hacker News Reader

Probably not a good sign that FaceID failed on stage for Craig on his first try (had to use a passcode to log in) during the demo.

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I don't think it failed, it just said you had to use passcode on first login after restart, just like the touchID

It totally failed, those guys repeat those demos for months and there is absolutely no way the phone was in such a state.

It looks like it unexpectedly rebooted prior to the demo as the message on the screen was something like "You must enter your passcode before using Face ID".

Something similar comes up on reboot for touch ID users. You have to enter your passcode once on startup to decrypt the storage where the fingerprint data is stored.

Should be pretty easy to find out in a replay or screenshot. If it was indeed after restart it’s not failed but a deliberate design decision.

He went to the backup phone after and said as much, it clearly failed. No way that was intended behavior.

what does your touch id do if you have doritos on your thumb, or your phone in the shower too long?

(it asks for your pin)

The message during the demo said "Your passcode is required to enable Face ID"

This indicates an error. When you have too many failed Touch ID attempts, the iPhone says "Your passcode is required to enable Touch ID"

After you restart your phone, the message is "Touch ID requires your passcode when iPhone restarts"

It looked like he had a backup phone for that. For the fingertip version every once in a while you have to put in the passcode. I assume that's what happened in his case as well...

I saw that- I am very curious how this will pan out as its released. I am wondering how well it will really adjust to your face changing(for instance a significant weight loss/gain, or injury)

Bill Gates got a BSOD during a big demo. Shit happens.

This is also a classic worth watching: https://youtu.be/2Y_Jp6PxsSQ?t=31s

Double the...

This. https://youtu.be/IW7Rqwwth84

Nah, he used his backup iPhone and it worked!

I hope they include a backup iPhone with every purchase.

Me (as he gets ready to unlock): "Well, it's Apple, so it's got to work better than that horrendous alpha version of facial recognition on that POS Samsung Note...oops, guess not."

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