: If you have limited internal storage, try moving your iGO_Luna folder to an SD card if your device supports it. Some versions of iGO Luna are designed to work with an "OBB" folder on external storage.

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After copying the files, do not just resume the app.

: Your licenses do not match your map files. Double-check that your .lyc files are up to date and placed in the root license folder, not inside the content folder.

iGO Luna relies on a specific "mg" folder architecture. If you are missing these folders, create them manually within your main iGO_Luna/content/ directory.

With the file structure, maps, and licenses firmly in place, you are ready to install the software.

If you installed .dem and .3dl files:

Before you hit the road, run through this checklist:

: This is the core folder for road data. It contains .fbl files (the actual maps), .fda (driver alerts/signs), .fpa (point addressing), and .fjw (junction views).