hai Can we know current location without using gps? Is it possible?
The iPhone SDK has a framework that automatically utilizes the proper mechanism for determining location based on how accurate the result needs to be. Apple has a good article discussing these different methods of locating a device.
Also, here is a good starting point for learning about programming with Location Services.
Furthermore, you can dive right into the CoreLocation framework documentation and learn about everything you can do using Location Services on iOS.
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