Shin Megami Tensei IV -UNDUB- is a fan-modified version of the 2013 Nintendo 3DS RPG. It replaces the official English voice acting with the original Japanese audio while keeping all text and subtitles in English. Key Technical Aspects UNDUB Patch:
Most UNDUB ROMs do not include DLC. You need to source the DLC .cia files separately (the Japanese DLC works fine with the UNDUB patch). Install them after the main game.
format for emulation or hardware compatibility, this version represents the pinnacle of the SMT IV experience. The Appeal of the UNDUB Modification The primary draw of an UNDUB ROM is artistic authenticity Shin Megami Tensei IV -UNDUB- 3DS -Decrypted- ROM
Some minor demons/sidequests had voiced lines only in Japanese anyway – you lose nothing. However, if you actually liked the English dub (e.g., Matt Mercer as Walter), this undub isn’t for you.
: The ROM has been processed to remove the standard 3DS encryption, making it compatible with emulators like Citra or for direct use on a hacked 3DS console via specialized tools. Shin Megami Tensei IV -UNDUB- is a fan-modified
: Standard 3DS ROMs from retail cartridges are encrypted and won't run on emulators. A "decrypted" file has been processed so it can be played directly on emulators like without needing additional BIOS or system keys. 3DS Format
: Decryption is a necessary step for applying the undub patch, as it allows tools to open and swap the internal audio assets. You need to source the DLC
This is a fan‑patched version of the official Shin Megami Tensei IV (3DS) that restores the original while keeping the English text/localization. The “Decrypted” format means it works directly with emulators like Citra or on real 3DS hardware with custom firmware (Luma3DS, etc.), without needing extra console‑specific decryption.