Very true, and I am very aware that some can download or cache maps, but most don't. But the OP said he/she (excuse me for not knowing the correct gender) was using GoogleMap and Apple's Map.app.
That is also why I am asking what app the OP was using to view the downloaded maps, a navigation app, a PDF viewer, image viewer or even a browser. Rather than assuming or shotgunning an answer.
That is why I said that _if_ the GPS were working and GoogleMap or Map.app were running, but not receiving cellular data you would see a GPS location indicator, with no map behind it. In fact, you would probably see a grey background with a faint grid. Been there, done that.
I was traveling up the Pacific Coast Highway and in a canyon with no cellular signal because of the surrounding hills, but I had a clear view of the sky that had sufficient GPS signals to calculate my location. I also used to travel for work, into areas that might or might not have cellular signals. So I used to travel with a stand-alone GPS device, loaded with maps.
Brent
On Feb 12, 2015, at 8:13 AM, Jim Saklad jimdoc@icloud.com [apple-iphone] wrote:
> How are you downloading the maps, since to my knowledge you can not download maps into GoogleMaps or Apple Map.app?
Some Apps supply all their maps within the app file itself (e.g., TomTom).
Some Apps can download maps while connected and cache them for later use (e.g., MotionX).
ALL of the rest of the mapping Apps, INCLUDING both Google Maps and Apple Maps, download maps as needed, if they have connectivity when they need it.
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Posted by: Brent <whodo678@yahoo.com>
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