1. Elleni BF's Avatar
    I got my Lumia 920, updated to 8.1 DP, and dutifully downloaded the map for my home state. I expected that would allow me to roam the city (garage sale hunting) without using my limited AT&T GoPhone data. However, over the course of the weekend using Here Maps, I found I used up over 200 mb of cellular data.

    Using the app, I searched for addresses and directions from my current location. I didn't use Drive+ so, no voice navigation or traffic reports, etc.

    I was using other Internet apps, but looking at Data Sense, I see that Here Maps sucked all the data.

    What did I do wrong?

    Thanks.
    07-14-2014 09:54 PM
  2. jojoe42's Avatar
    I got my Lumia 920, updated to 8.1 DP, and dutifully downloaded the map for my home state. I expected that would allow me to roam the city (garage sale hunting) without using my limited AT&T GoPhone data. However, over the course of the weekend using Here Maps, I found I used up over 200 mb of cellular data.

    Using the app, I searched for addresses and directions from my current location. I didn't use Drive+ so, no voice navigation or traffic reports, etc.

    I was using other Internet apps, but looking at Data Sense, I see that Here Maps sucked all the data.

    What did I do wrong?

    Thanks.
    That's really weird, I have the map downloaded for my country and yet when I went on a roadtrip I only ended up using 20MB according to Data Sense. If you have data on, Here Maps (for some reason) will still use some data (probably to preload things that can't be taken offline, like reviews and photos for nearby places). However if you use Here Drive, there is an offline switch that WILL NOT use any data at all (I've tested this and it doesn't lie) - go to Here Drive, swipe the large grid panel down and you'll see an internet connection 'button'.
    07-15-2014 05:38 AM
  3. Elleni BF's Avatar
    Hum. Do you recall if you were using Here Maps or Drive? (And are you on 8.1?) As we were wandering between fairly close locations, the Maps interface was better suited than Drive.

    We did confirm Here Maps will work without a live data connection (or in airplane mode) so, I don't know why it should have been using data while data was on and we were on the road.
    07-15-2014 06:11 AM
  4. Samadvs's Avatar
    Hum. Do you recall if you were using Here Maps or Drive? (And are you on 8.1?) As we were wandering between fairly close locations, the Maps interface was better suited than Drive.

    We did confirm Here Maps will work without a live data connection (or in airplane mode) so, I don't know why it should have been using data while data was on and we were on the road.
    If data is on here drive use data. If it is off here drive work offline
    07-15-2014 06:41 AM
  5. David P2's Avatar
    A similar issue popped up a while ago on here (can't for the life of me find the thread I posted in), but in Drive settings you can tell it to use offline mode (go into Internet connection and set it to off). However things like live traffic updates and My Commute won't work as it pulls that information down from 'tinterwebs.

    If you're feeling doubly paranoid about data usage, go into the mobile/cellular settings and just turn off the data connection whilst you're driving.
    07-15-2014 07:00 AM
  6. Elleni BF's Avatar
    ?.. in Drive settings you can tell it to use offline mode (go into Internet connection and set it to off). However things like live traffic updates and My Commute won't work as it pulls that information down from 'tinterwebs.

    If you're feeling doubly paranoid about data usage, go into the mobile/cellular settings and just turn off the data connection whilst you're driving.
    As I said, we were using Here Maps app, not Drive. Turning off all Internet is not a solution as, in this example, we were searching CraigsList for our next destination. I saw the option to turn off Internet in Drive, but the interface is not conducive to the more rambling style. I could not find a similar option in Here Maps.

    It seems a poor implementation to have map data locally, but still fetch it when Internet is on. A better way would be to check map data versions at session start and alert the user when the local data is out of date, giving them the choice to use local or not.

    Are there any other map apps that better handle local map data?
    07-15-2014 07:20 AM
  7. WONOW's Avatar
    I 've just discover the same problem today. Here maps (not drive+, not here transit) used 30meg of my data plan during the last two days even if I had the maps (updated) on my nokia to use them offline. Bad news and I don't know why..I'm using Nokia 920 with WP 8.1 GDR1
    08-22-2014 01:56 PM
  8. Elleni BF's Avatar
    You're lucky it was only 30mb! I used over 120mb. This was mid-month and I was then out of data for the month! Why does Drive allow you to turn off data use, but Maps does not?!?
    08-22-2014 02:10 PM
  9. WONOW's Avatar
    :) yes lucky only 30mb, but during only the last two days, last week 30 again for only one use!..I don't understand why, if you download first the maps to use them offline, HERE doesn't have to use your data plan. Drive allow to turn off data use only if you don't want to use traffic etc but not the maps..
    08-22-2014 02:40 PM
  10. WONOW's Avatar
    well: "But offline map data is not as comprehensive as online data. So, if you perform a search, it will search online map data instead of off line map data if connection is available."
    look at "here-maps-data-consumption" on wpcentral forum...
    very bad news if it true. you can use your offline maps without search adress..very useful !
    08-23-2014 07:03 AM
  11. Elleni BF's Avatar
    ...look at "here-maps-data-consumption" on wpcentral forum...
    very bad news if it true. you can use your offline maps without search adress..very useful !
    So, this problem has existed for some time. It makes no sense! I call BS on the "offline map data is not as comprehensive as online data" comment. I can turn off data on the phone (sim) and search and get directions with Here Maps
    08-23-2014 09:41 AM
  12. WONOW's Avatar
    I've got an answer from "HERE":
    "Because the memory capacity of phones is limited, it's not feasible to have all the information downloaded to the phone. Therefore, when internet connection is available the search will tap into the cloud service for more information."
    ...
    08-23-2014 03:29 PM
  13. Elleni BF's Avatar
    Thanks, wonow. Where did you find that? I still call BS as we all know the basic functionality works fine without a data connection. And Drive+ gets an option to turn off data. If its good enough for some apps, why not Here Maps??

    I ask again, are there other offline maps apps that won't eat my data (other than Drive)?
    08-24-2014 08:08 AM
  14. gwinegarden's Avatar
    Well, maybe, but I still wonder why Here Drive+ can work offline and Here Maps cannot.
    08-24-2014 09:11 AM
  15. Xpider_MX's Avatar
    Common sense... if you want fresh data (for example, traffic), it is impossible that an offline map can bring this information.

    I have tested myself and with all off (wifi and cellular data) I can search for places on Here Maps (not Drive+).

    An offline map can't do magic.
    08-24-2014 04:39 PM
  16. WONOW's Avatar
    I can't insert a link here..^^ see the page call on 360-dot-here-dot-com "here-maps-for-windows-phone-8-walk-through" an answer from Jere "here's team guy"..
    08-25-2014 09:30 AM
  17. gwinegarden's Avatar
    Not sure why. I only use Drive+ offline and have no problems finding addresses.

    My issue, with Maps, is that you can cannot set offline as the default, as you can with Drive+. If you forget to turn off data, you could be in for a nasty surprise, on your next bill.
    08-25-2014 10:34 AM
  18. Elleni BF's Avatar
    Not sure why. I only use Drive+ offline and have no problems finding addresses.

    My issue, with Maps, is that you can cannot set offline as the default, as you can with Drive+. If you forget to turn off data, you could be in for a nasty surprise, on your next bill.
    Yes, this is what we've been saying!! (Haven't we?) I don't like Drive for map browsing, Maps and Here Maps are better for browsing, IMO.
    08-25-2014 06:31 PM

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