Why has Apple refrained from putting a real GPS Chip in The I devices instead of relying on a sketchy ATT service during my moutain hikes?
— Jacob
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iPhone GPS
Comments: 2 Responses to “iPhone GPS”
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I can't begin to speculate on Apple engineering design decisions. But the GPS in the iPhone uses more than AT&T service -- it does use signals from the GPS satellites. So I'm not sure what you mean.
To get your location, it looks at the GPS data, wireless towers, and the local wifi signals it can hear. But if it gets GPS data, then I think that is far more accurate and that is what it uses.
I wasn't aware the iPhone wasn't built with a real GPS chip (I wasn't even aware there was something other than a 'real' GPS chip).
Perhaps the issue, since you mention mountain hiking specifically, is that you are in an area which isn't capable of receiving the GPS signals? Just a guess mind you.