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google maps app uses gprs? but not apple map app?

322 Views 3 Replies Latest reply: Dec 24, 2012 7:42 AM by wjosten RSS
azamino Calculating status...
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Dec 24, 2012 7:27 AM

hi

 

i would like to know something about google maps app.

 

i am using a pre--paid SIM in my iPhone (I am in China right now).  the SIM card ran out of its money balance. and i was not near any WI-Fi location.

i was surprised to see that the google map app was stll able to show my position as the car i was in moved along the street.

but when i tried the apple map app, it complained correctly and wouldnt work at all (saying that it couldnt find a connection).

 

why is there a difference in these two apps? why cant apple map app use the same kind of connection that google uses?

 

and, how does the google map app accomplish what it does: it isnt using celluar data, it isnt using Wi-Fi. it must be using gprs which for some reason is not being charged by the service provider (China Unicom)?

 

let me know how this is working like this.

 

thanks

MacBook Air (13-inch, Mid 2012), OS X Mountain Lion (10.8.2), iPhone 5, Time Capsule 1TB

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