Apparently, Apple was so happy about their decision to add a proximity sensor in the first-gen iPhone that they went ahead and threw another one of those babies in its new iteration, iPhone 3G.
iPhone 3G now has a total of four sensors, with three mounted on its face, which are the ambient light sensor and the two proximity sensors. This was confirmed by the deconstructinators over at iLounge a few days after the iPhone 3G announcement. The fourth sensor, of course, is the built-in accelerometer.
So now, if you’ll look very closely, you’ll be able to see that the iPhone 3G totes the three sensors above its 3.5-inch display, arranged in a J shape to the left of the earpiece. The original position of the sensors were above and to the right of the earpiece.
The additional proximity sensor will supposedly let the iPhone 3G offer superior face proximity detection compared to the old arrangement. If you an iPhone owner yourself, and have found that the face proximity detection on the old model worked just fine, you’ll no doubt find this to work even better.
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