Question about Tomtom ONE GPS Receiver

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Tomtom One 3rd edition - no SD slot and not enough memory

I just received a One 3rd edition for Christmas and have moved from Canada to live in Denmark for the next six months. I just downloaded the maps for Norway, Sweden and Denmark (you have to specify the device you have when you purchase, so I assumed I would be able to upload to my device after purchasing) but now there is not enough space to load the new maps in addition to the existing USA/Canada maps.  Tomtom home does not allow me to remove the USA/Canada maps and I do not think I am able to upgrade the SD card.  is there anything I can do, or did I just waste 40 euro?

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  • NewfinEurope Feb 02, 2008

    Yes, itzkakarot is are not able to change the SD card.

  • NewfinEurope Mar 17, 2008

    you what I think...I think tomtom is ****...their customer service is **** and their products are **** yourself a favor and buy a garmin, a company with a reputable history.  Sorry if this post offends or is less than mature, I am rather frustrated with ever deciding to purchase a tomtom one and am now using this site to vent...ahhhh, much better.

  • Anonymous Sep 02, 2008

    I have a BIG problem with this device, you can only half either Western Europe or Eastern Europe which is sh*t when you live in Central Europe or just Europe full stop. It clearly wasn't designed for the European market.

    Sold to me as easily to buy and download maps onto, only they don't fit onto the fully unupgradable device since Tomtom in whatever spasm of unintellience decided to disallow any changing of memory capacity. Why why why why WHY!!!!

    So when travelling around Europe I have to carry a laptop with me containing both E Europe and W Europe maps on it it so I can delete the last and upload the new when I cross over the borders which incidentally doesn't exist anymore!

    This is one for my screwdrivers and soldering equipment I think!




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You could probably just manually delete the Canada/USA maps from the device, and copy over the europe (or whichever ones you need) to the device. 
Just plug it in, and view the memory like a normal usb drive..delete the old, copy over the new.
Don't forget to use tomtom home to backup your gps device to your computer first (thus saving your canada maps for later..)
Afterwards, you would probably have to go into your preferences and choose the europe maps.
Good luck!

Posted on Mar 11, 2008

  • Brad Neufeld
    Brad Neufeld Mar 11, 2008

    pretty sure changing the maps in the internal memory wouldn't void the warranty.

  • Brad Neufeld
    Brad Neufeld Mar 18, 2008

    hey...did you try solution #2..?  i think it may work for's actually probably simpler to do than i made it sound..


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Does anybody know how to apply only one country into tomtom one 3rd edition without sd card. For example I have western europe 1 gb, but there is something like 100mb free so I was wondering if it is possible to add just one country out of the eastern europe map.

Posted on Oct 20, 2008


To whoever posted solution #3 ('Guest') - or anyone who can help - I need to open up my TomTom One, people keep suggesting opening it as a solution to various problems, and they normally observe that you need special tools as TomTom have made it difficult to open - does anyone know where such tools may be available??!

Posted on Aug 27, 2008


Posted on Jul 05, 2008

There is no way to add additional storage without voiding warrenty. You will have to open the TOmTom and see if the SD slot is still there. If it is not there then there is not much you can do.

Posted on Apr 09, 2008

Any maps put into a folder can then be put on a sd card installed in your tt. you will however need an activation code.........

Posted on Apr 06, 2008

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Hi there,

I've just purchased a Tomtom One (3rd edition ) with maps of most of the European countries, BUT NOT the one of Greece.
Is it possible to install the latest map of Greece.

Posted on Oct 17, 2008

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  • 22 Answers

You can copy maps from one card to another card with more capacity (such as 1Gb / 2Gb). I have done this without problems.

Buy a new SD card, install the new euro maps to there, then insert the original US/CA card, temporarily copy the map files to your hard disc, insert the new larger card with the new maps and copy the US/CA maps to there.

Posted on Jan 12, 2008

  • Adam Wordsworth
    Adam Wordsworth Feb 03, 2008

    Ah.. you're correct. Strange that they made all storage internal.


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