How to Update Splatoon

Step-by-step instructions for updating Splatoon.


On 3 August 2023, new update data for Splatoon became available for download. Please take a moment to download and install this update while your Wii U console is connected to the internet.


  • This update must be applied in order to use the online features of Splatoon.

  • Save data will still be available for use after downloading the update.

  • If the system's Standby Functions are enabled, the update will download and install automatically.

What to Do:

  1. Connect the Wii U console to the internet.

  2. Return to the Wii U Menu and launch Splatoon.

  3. The update will be downloaded and installed automatically.

  4. Once the update is installed, the newest version number will be displayed on the title screen.

Update Details:

  • Ver. 2.12.1 (Released 3 August 2023)

Version 2.12.1

  • Fixed vulnerability relating to online battles.