The assignment of map packages to device models is listed further down below.
Many Legacy device models were sold with an NNG-based navigation software solution, which was installed in the device’s memory, included with the set as an SD / microSD card or else, could be purchased separately.

• For many legacy devices, you can still find up-to-date paid content (“map updates”) and possibly free bug fixes on Naviextras. https://zenec.naviextras.com/shop/portal/deviceSelect
• With older devices, the available memory in the device memory or on the navigation card is limited. The available memory must be checked before purchasing map updates or bug fixes. The size of the update must not exceed the amount of memory still available. Otherwise, existing map content must be deleted beforehand. In such a case, please contact ZENEC support. https://support.zenec.com/?lang=de
• For some device models with high sales volumes and SD card-based navigation, replacement maps with memory capacity for today’s map data volumes are available without pre-installed map material (“E”-variants). These maps can be filled with country map data of your own choice via Naviextras, against a fee.