Look in the software info......
or version 8.0.xxxxx or version 8.3.xxxxx
Maps and other files, for 8.0.xxxxxx version, are dead in the year 2010......
This version doesn't work with the new files and maps
EDIT :
Read now your last post......
Maps folder, buildings folder and POI folder, should not be placed directly in the external SD !
Esternal SD >> iGO folder >> Content folder <<< and here Map, building and Poi folder....
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