Thank you for viewing. Please read to the end before purchasing. The latest version is out. The update method varies depending on the model. *Some models require a setup disc. Please note that you will not be able to update without it. This is a guide to shipping the update disc for one of the following compatible models: NSZT-ZA4T NSZT-Y64T NSZT-YA4T DSZT-YB4Y DSZT-YC4T NSZA-X64T NSZN-W64T NSZN-Z66T NSZT-Y66T NSZT-W66T DSZT-WA6T *Please select one model from the list above and contact us to purchase. ■Product Description ☆If your map update expiration date is valid, you can update to the latest map version with this disc. 2025/12/17 Nishi Kyushu Expressway Matsuura IC - Hirado IC 7.5km 2025/12/11 Tohoku-Chuo Expressway Shimoinnai IC - Ogachi Komachi IC 3.7km 2025/11/06 Matsumoto-daira Wide Area Park Yamabiko Dome → Ainet Yamabiko Dome Name Change *Updates also available in other prefectures Current Latest Map Type If the first two digits are 13 or more and 20 or less: XX-XXXX-7E20 If the first two digits are 21 or more: XX-XXXX-7E20 ☆How to check the expiration date The "End Date" displayed on the "Map Update" screen is the map-on-demand expiration date. *Please note that you cannot update unless the basic map data on the navigation unit is within 2 years and the expiration date has not passed. If you purchase the latest SD map from a dealer, the update validity period will be extended for 2 years, and you will be able to use the nationwide map update disc again. Please refer to the instruction manual for the map update data update procedure. ☆You can only select "3 prefectures" at a time for the navigation update, so repeat this several times to complete the update for all prefectures. ☆In addition to map data, VICS traffic congestion display and other features will also be updated to the latest version simultaneously. ★Items to be shipped★ We will perform a final update check at the time of shipment and always ship the latest version. ☆Depending on the model, we will ship one CD-ROM disc.