- Replace the boot.firm on the SD card with the latest version of Luma3DS. As of now (Oct-4-20), this is luma v10.2.
- Remove everything else in the patch folder for this game on the SD card, except for this text file. Remove the code.bin.
- sdmc:/luma/titles/00040000000F4100/locale.txt
- The TitleID for エクステトラ (Exstetra) was found on https://hax0kartik.github.io/3dsdb/.
- This text file is required for playing certain out-of-region games that will only run unless with the assistance of Locale Emulation.
- What should be written in the text file for this game.
- You can also create or edit the locale.txt with the app, LumaLocaleSwitcher.
- Insert the SD card into the o3DS, turn on the system, hold (SELECT) button to access Luma3DS v10.2 configuration, use the below settings, and press (START) to save and exit.
- (x) Enable game patching
- (x) Show NAND or user string in System Settings
- Exstetra is not a game that requires a seed as listed in the [GitHub, ihaveamac] SeedDB list.
- For games that do need to import the seed,
- Launch the game. Does it work?
If your freshly installed, vanilla CIA copy of
Exstetra with no mods, plugins, or patches (except for
locale.txt) fails to launch or play that far, further troubleshooting will be required.