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During Apple's iPhone X unveiling on Tuesday, executive Craig Federighi at the start of a live demonstration was forced to move to a backup model after a first unit seemingly failed to unlock as planned. Media glommed onto the story, in some cases touting the mishap as proof of Face ID's first — spectacular — failure.

Seen in the video below, Federighi picks up iPhone X and attempts to unlock it with Face ID, a process that requires the user to look at the TrueDepth camera and swipe up on the screen. When a first try fails, he puts the device to sleep and goes through the process again. That second attempt was also unsuccessful.

On iPhone's display a prompt showed up, saying, "Your passcode is required to enable Face ID." The alert sparked speculation that Face ID had failed.

Final production on the iPhone X has yet to start, even though Apple will begin taking orders for the device in just over a month. Raymond James chip analyst Christopher Caso conducted supply chain checks this morning and then shared what he learned about Apple's production schedule in an investor's note obtained by Barron's.

According to Caso, while there were already production delays affecting the iPhone X, further delays have occurred recently. He says production is set to start in mid-October, later than earlier predictions. With additional delays, full production ramp up will be delayed into the December quarter.