The -UNDUB- patch is a modification created by fans of the series, designed to remove the protection and limitations imposed by the game's original encryption. This patch allows the decrypted ROM to run without restrictions, providing a more seamless gaming experience.
The primary feature is the replacement of English voice acting with the original Japanese performances by Canzah & Slow . Shin Megami Tensei IV -UNDUB- 3DS -Decrypted- ROM
The world of Shin Megami Tensei is defined by "Press Turn" combat and heavy existential dread. The Japanese voice track captures the anime aesthetic of the characters more naturally. The demonic incantations, the desperate pleas of NPCs in the dystopian Naraku, and the battle cries of your party members (Isabeau, Jonathan, and Walter) carry a weight that silent text boxes simply cannot replicate. The "Demon Whisper" events, in particular, feel significantly more eerie and immersive with full voice acting. The -UNDUB- patch is a modification created by
: The base game, a popular post-apocalyptic RPG developed by Atlus. The world of Shin Megami Tensei is defined
The is a modified version of the popular Nintendo 3DS role-playing game. It is designed for fans who want the English-translated text but prefer the original Japanese voice acting. What this ROM Includes
: Modern versions of the undub (v1.1) include fixes for specific cutscenes that previously had issues, such as those found in the Neutral Ending path. Performance & Emulation Details
| Resource | Type | Legal Note | |----------|------|------------| | | 3DS file manager / dump tool | Open‑source, used for legitimate cartridge dumps. | | 3DScrypt / Decrypt9WIP | Decryption utilities | Distributed for educational purposes; usage may violate DMCA in many regions. | | Citra Docs – “ROM Structure” | Emulator documentation | Publicly available, explains NCSD/NCCH layout. | | SMT IV Undub GitHub Repository (e.g., SMT4-Undub ) | Community project (source code for the removal script) | Typically hosts scripts only, not the ROM itself. | | Zstandard (zstd) / SZS Tools | Compression utilities used for packing romfs | Legal, general‑purpose compression tools. |