Navman iCN 520 GPS Receiver "icn520 maps" Questions

...maps on this device. You can however unlock the iCN520 and install other GPS software on it. The iCN520 can run virtually all the major GPS software available today; from Tomtom to Miomap and beyond. ...

maps are now outdated. Where and how can these be updated. An example of this was recently in Melbourne and the Navman sent me round and round in circles because it didnt know the new expressways etc.

navman icn520 i need to update maps.how do i do that? Hi, Navman don't do maps for that device. Call them (0871 277 0140) I believe they have a trade in offer still available