Insufficient storage capacity

I bought the Navi mainly due to the large and clear display.
With the services in the Navigation I was basically satisfied; However, I have been guided while driving in my hometown at one point in the circle; but this was more like the idiotic traffic management as the Navi, apparently in such a case, contact can not suggest.
Another reason for purchasing this Navis was the large area covered by the whole of Europe. I had before in quick succession trips to Ireland and Estonia.
Unfortunately fit well with me-as in other Rezensenten- the update after hours of charging not on device, apparently due to small memory. I have the device immediately returned to amazon because I thought it was broken.
Only after reading the other reviews has come to me that this is obviously dealing here with a design flaw.
It is completely incomprehensible to me how a company can offer a device with obviously inadequate and not expandable memory for sale. Since all the other good qualities are useless.
Etc. In the card features "Central Europe" and "Western Europe" would the TomTom XXL probably earn 4 stars, but the equipment "Europe" is not worth the money, because the corresponding area with latest map data can not be displayed.