Wifi is runs separate from your network data connection. If you turn off data in your network settings, then you are truly and completely, disconnected from data service. If you go to settings> Wireless and Network> Mobile Networks> Use Packet Data - deselect that.
Make sure you've cached a map area before disconnecting your data service. To cache a map area, run your google map> settings> More> Labs> Press on Pre-cache map area and you'll see a green checkmark appear to the right of it with a notice that cached maps is enabled. Hit your back button on your phone and that will return you to the map. Now press and hold on an area of the map until you see a pop-up with an address. Long press on the pop-up containing the address and a screen will appear with different options. The option at the bottom is Pre-cache map area. Press on that and it will begin to download a 10 mile square radius around the location you initially pressed on. Now, if you want directions to anywhere in the area that was cached, it will work without a data connection.
If you have any trouble with this, let us know
Make sure you've cached a map area before disconnecting your data service. To cache a map area, run your google map> settings> More> Labs> Press on Pre-cache map area and you'll see a green checkmark appear to the right of it with a notice that cached maps is enabled. Hit your back button on your phone and that will return you to the map. Now press and hold on an area of the map until you see a pop-up with an address. Long press on the pop-up containing the address and a screen will appear with different options. The option at the bottom is Pre-cache map area. Press on that and it will begin to download a 10 mile square radius around the location you initially pressed on. Now, if you want directions to anywhere in the area that was cached, it will work without a data connection.
If you have any trouble with this, let us know
