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Thread: Question about GPS units with lifetime map updates
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Old Mar 20, 2013 | 7:19 am
  #18  
GUWonder
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Originally Posted by ROW2Aisle
My iPhone's GPS accuracy is poor when the WiFi is turned off. I did some tests yesterday and it showed me almost 1/2 mile away from my true location but with the WiFi turned on the accuracy was within 100 feet. The WiFi did not have to be connected to any network but the mere act of turning it on improved the GPS accuracy with the built in Google maps. I then read an article in an Apple support forum that confirmed this condition as reported by others.
I noticed this post is over a year old, but I'll comment about my experience since. In my experience since then, I have noticed that my iPhones' GPS accuracy when using the Navigon app in Europe is very good even when I have the WiFi off.
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