Click here to see which products/categories this applies to.
This FAQ contains information that may not be applicable to your device. More information.
If your navigation device has a memory card slot, you can use memory cards for storing maps. This means that you can install the full map on a memory card instead of just one map zone. There needs to be enough free space on the memory card for the full map.
Which TomTom device do I have?
To see which device you have, enter the first 2 characters of
your serial number and then click GO.
The serial number is on the bottom of your TomTom device.
Note: Not all memory cards can be used for all navigation devices.
The compatible memory card(s) for each navigation device can be found in our FAQ. [ show me... ]
The following devices require only the map to be installed in the memory
card:
GO x50, GO x40, GO x30, GO x20
- Insert the memory card in the memory card slot of your navigation
device.

- Make sure you are using the latest version of the TomTom application
on your device. [ show
me how... ]
- Switch to the memory card in HOME. [ show
me how... ]
- Install your map. [ show
me how... ]
The following devices require the TomTom application and a voice to
be installed on every memory card: ONE XL, ONE 2nd Edition, ONE 1st Edition,
GO 910/710/510, GO 500/300 ,GO, RIDER 2nd Edition, RIDER 1st Edition
- Insert the memory card in the memory card slot of your navigation
device.
- If your device has internal memory, switch to the memory card in
HOME. [ show
me how... ]
- Install the latest application in the memory card. [ show
me how... ]
- Install your map. [ show
me how... ]
- To install a voice using HOME, click Add Traffic, Voices,
Speed Cameras etc. and then Voices.
Carminat TomTom, Mazda Navigation System NB1
Before you can use a new memory card reader to install your map you need
to insert the memory card in your navigation device. Do the following:
- Insert the memory card in your navigation device.
- Switch on your navigation device and wait for it to start.
You get the error No map found.
- Turn off your navigation device.
- Connect your memory card to your computer using a memory card reader.
- Install the latest application to the memory card. [ show
me how... ]
- Install your map. [ show
me how... ]
- To install a voice using HOME, click Add Traffic, Voices,
Speed Cameras etc. and then Voices.
Memory card reader
Before you can use a new memory in a card reader to install your map
you need to insert the memory card in your navigation device.
- Insert the memory card in your navigation device.
- Switch on your navigation device and wait for it to start.
You get the error No map found.
- Turn off your navigation device.
You can now connect your memory card to HOME using a memory card reader.