Failed To Install Cia File 0xd8e0806a ✔

Ensure your console is running the latest version of Luma3DS and that the FBI app itself is up to date.

(for encrypted CIAs) – In FBI, select the CIA → “Import seed” (requires internet). failed to install cia file 0xd8e0806a

This is by far the most common culprit. The CIA file you downloaded may have become corrupted during the download process. As one community member noted, "That message means the file you are downloading or installing is corrupt". Ensure your console is running the latest version