A Single Infrared Sensor Might Be the Reason Why Siri Is Only on the iPhone 4S

When iFixit originally tore down the iPhone 4S, they discovered a sensor whose function they were unsure of. Now they've determined that its an infrared sensor tasked with activating Siri when the phone is held up to your ear. Could it be the reason why Siri is a 4S exclusive?

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Sure, Apple could probably just disable the Raise to Speak feature and Siri would mostly work fine on other phones, but this is Apple we're talking about. They obsess around creating experiences, not just introducing new features (whether or not those experiences always work is a whole other story). Maybe they are just trying to entice people over to the iPhone 4S, but either way, it proves that Siri's can't fully function on every device. [iFixit via TUAW]

DISCUSSION

traveshamockery-old
Traveshamockery

There's only one reason Siri isn't on the iPhone 4: with Siri on the 4, there's very little reason to upgrade. It was the lynchpin feature of the iPhone 4S. Without Siri exclusivity, the 4S's launch would have suffered mightily.