User: "I copied my friend's working IGO folder to my new 128GB SD card. Error 108 appears." Cause: The 128GB card was formatted as exFAT. IGO Primo requires FAT32. Fix: Reformatted card to FAT32 using Rufus or guiformat (tool for >32GB FAT32). Re-copied files. Error resolved.
Go to and ensure Storage permission is enabled. Without it, IGO can’t read map files. igo navigation error 108