The Xzent X-422 may support two update methods:
If you cannot find the official update file, try searching: xzent x-422 software update
use your original navigation SD card for the software update, as this may corrupt your map data. Installation Process (Overview) X-422_Update_v1.3.exe file from the XZENT Support Archive The Xzent X-422 may support two update methods:
The Xzent X-422 runs on a specific architecture where the navigation core is separate from the "Apps" section. xzent x-422 software update
: Double-click the downloaded .exe file on your PC and extract the contents directly to the root directory of your USB or microSD card.