To "undub" Fire Emblem Echoes: Shadows of Valentia (restoring original Japanese voices with English text), you can either install a pre-patched version or apply a manual patch to your own copy using custom firmware. Option 1: Direct Installation (Simplest)
Why is it so difficult to find a direct Fire Emblem Echoes Shadows of Valentia Undub Link? Two reasons: fire emblem echoes shadows of valentia undub link
Undub Link
Pre-Patched CIA: This is a complete game file that has already been modified. You install it like any other digital game. This is the easiest method but requires a much larger download. A Note on Compatibility To "undub" Fire Emblem Echoes: Shadows of Valentia
Regional Differences: Ensure you are matching the patch or file with the correct region (USA, EUR, or JPN) of your system and game to avoid "extra data" corruption. If you'd like, I can: Help you find the specific Title ID for your region. You install it like any other digital game
Depending on how you play, there are two primary ways to install these: On a Modded 3DS (via FBI):
Locate your game's Title ID (for the US version, it is 00040000001B4100).