Plug your SD card into your computer and copy all contents to a safe location.
If your CFW is up-to-date, your CIA file is likely the culprit.
If Ignore didn't work, your system has a "ghost" ticket with a locked version number. failed to install cia file 0xd8e0806a updated
: Always install the main game CIA before attempting to install its update or DLC. 2. Reset the 3DS Title Database
: Cert signature or hash check failed (106) —The digital certificate of the CIA file is corrupted, incomplete, or altered. Primary Root Causes Plug your SD card into your computer and
Furthermore, if you ever used the "Update" button on the Home Menu or installed an update .cia file manually, that update version number is burned into your system’s database. Trying to install a base game (Version 0) or an older patch will trigger the 0xd8e0806a error because FBI sees the high version number and refuses to overwrite it.
This error usually points to a corrupted download, a bad CIA dump, an issue with your SD card, or an incorrect developer setting in your custom firmware. : Always install the main game CIA before
FBI has a built-in safety feature to prevent you from bricking your system by downgrading core titles. However, for games, you can bypass this.