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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Re: Tomtom One 3rd edition - no SD slot and not enough...

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

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Re: Tomtom One 3rd edition - no SD slot and not enough...

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

Re: Tomtom One 3rd edition - no SD slot and not enough...

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

Re: Tomtom One 3rd edition - no SD slot and not enough...


Posted on Jul 05, 2008

Re: Tomtom One 3rd edition - no SD slot and not enough...

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

Re: Tomtom One 3rd edition - no SD slot and not enough...

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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Re: Tomtom One 3rd edition - no SD slot and not enough...

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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Re: Tomtom One 3rd edition - no SD slot and not enough...

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

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just plug your tomtom into your computer and start tomtom home

On the computer screen for tomtom select ADD MAPS

Here you can select and buy the maps you need.

Once you have confirmed the purchase you will be given instructions on how to download etc

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If you have TomTom that have the slot for SD card, then it should accepted the SD card. The instruction for how to use the SD card is simple, but it is hidden in the TomTom Home, that's why it's difficult to find it. Below are the instruction how to use the SD card.

1. Format the SD card (FAT32) and do not stick the SD in the slot yet
2. Run Backup (connect TomTom device to computer)
3. Disconnect TomTom from computer and turn off
4. Slide the SD into the slot and connect TomTom back to computer (choose "yes")
5. In the TomTom Home menu, Choosen Backup & Restore >>> and choosen Restore

TomTom Home will add all applications to the SD card. So the internal memory still have the applications and the SD card also had the same applications. Everytime you slide the card in, TomTom will automatic detect and use it as its primary storage, if it not detect, you can go to the device menu and pick the device to connect to.
Whenver you take the SD card out, then TomTom will use its internal memory.

Hope this helpful

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Max. Mem. Card

I think you will find that the tomtom one 3rd edition is a sealed unit.
No SD slot.
But it does have 1GB of RAM for storage and 32MB RAM for system use.
Pretty much the same internal architecture as an early handheld PC.
All updates are done through USB.
Hope this information is useful.

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Call TomTom support 1-866-486-6866 ( and they will help you pretty quickly with that problem.

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Tomtom One 3rd Edition will not update US/Canada Map

sounds like you don't have enough space to download.

Nov 25, 2007 | Tomtom ONE GPS Receiver

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