Cause: You downloaded a "ticketless" NSP. Nintendo signed updates with a new key in 2024. Fix: Run the NSP through SAK (Switch Army Knife) or NSC Builder to "repack" it with a correct ticket. Or find a scene release that says [NSZ] (compressed) instead of NSP.

Return to the Switch Home Screen. The Paper Mario icon should appear.

Method 1 – Using Tinfoil (Recommended)

Method 2 – Using DBI (Great for large updates)

Installing the .nsp update for Paper Mario: The Thousand-Year Door is a straightforward process using modern tools like DBI. Always ensure you are managing files for games you own to respect the developers and copyright laws.

To install the Paper Mario: The Thousand-Year Door update (typically version 1.0.1) as an NSP file on a modded Nintendo Switch, you can use several common homebrew tools. Ensure you have the base game installed before applying the update. Method 1: Using DBI (Recommended for USB)

DBI is often considered the most reliable tool for direct PC-to-Switch installations.

Connect your Switch to your PC using a high-quality USB-C cable. Open DBI from your Switch's homebrew menu.

Select "Run MTP responder". Your Switch will appear as a drive on your PC.

On your PC, open the new "Switch" drive and navigate to "SD Card Install" or "NAND Install".

Drag and drop your Paper Mario update NSP file directly into that folder. DBI will handle the installation and automatically clean up temporary files. Method 2: Using Goldleaf (SD Card)

If you prefer to install directly from the console's SD card:

Copy the update NSP file into a folder on your SD card (e.g., a folder named /NSPs/).

Launch Goldleaf from the homebrew menu (holding the R button while launching a game to use full RAM mode is recommended).

Navigate to Explore Content > SD Card and find your NSP file. Select the file and choose Install.

Pick your installation location (SD card is usually preferred) and wait for the process to finish. Method 3: Using Tinfoil Open Tinfoil on your Switch. Navigate to the File Browser tab.

Locate your NSP update file (either on the SD card or via a connected USB drive).

Select the file and press A to install. Tinfoil can also automatically reset the "required version" nag if needed. Important Tips PSA: Paper Mario: The Thousand-Year Door has leaked

Paper Mario: The Thousand-Year Door on a Nintendo Switch, you can use official methods or homebrew tools like DBI and Tinfoil for NSP files April 2026 , the most recent major update is Version 1.0.1

, which fixes critical progression bugs like the "Twilight Trail fallen tree" glitch. Official Installation Method

If your console is unmodified and connected to the internet: Highlight the Icon : Select the Paper Mario game icon on the HOME Menu. Open Options : Press the button on your controller. Software Update , then choose Via the Internet

: The version number (v1.0.1) will appear on the title screen once complete. Homebrew NSP Update Installation

For modded consoles using custom firmware (CFW) like Atmosphere, updates are typically installed as files using dedicated installers. Using DBI (Recommended) Connect your Switch to a PC via USB-C and launch Run MTP Responder ; your Switch will appear as a drive on your PC. Navigate to the SD Card Install NAND Install

Drag and drop the update NSP file into that folder to install. Using Tinfoil

Place the NSP file on your SD card or connect a USB drive via OTG. and use the File Browser to locate the update. Select the file and choose Using Goldleaf Copy the update file to an folder on your SD card root. , navigate to Explore content , select your SD card, and click the NSP to install. Key Version 1.0.1 Patch Notes How to Update Paper Mario: The Thousand-Year Door

No. Unlike Paper Mario: Origami King, the TTYD remake has no paid DLC and no season pass. However, some users confuse the "Pre-order Bonus Wallpapers" (a separate, small NSP) with a game update. Ignore that—it is just a PDF file.

If you see a file named Paper Mario TTYD [DLC].nsp on a torrent site, it is either:

  • Back up saves and important data before applying any updates.

    • Before beginning the installation process, ensure you have the following: