S_yexclusivezip · Fast & Confirmed

Follow the on-screen prompts to "clean up" the SD card and install the system apps to your Home Menu.

If you have downloaded a pre-made pack, follow these standard steps: Open the file on your PC.

For the most up-to-date and safest methods, the community-standard resource remains the 3DS Hacks Guide . S_yExclusivezip

Include a .gm9 script (often named finalize.gm9 ) that tells the system to install everything in the /cias/ folder automatically.

Always back up your sysNAND via GodMode9 before running automated scripts from a zip file. Follow the on-screen prompts to "clean up" the

Ensure you have the latest boot.firm and boot.3dsx from the Luma3DS GitHub . These should sit at the root of your SD card (and thus the root of your zip).

Only download pre-made zips from trusted community members on GBAtemp or official guide sites. Malicious files can brick your console. Include a

Are you trying to for a specific custom firmware version, or are you having trouble running a script from a file you already downloaded?