System Config Tool: Update System
You may manually update the Wii U system for NAND or PCFS mode in the Update System MAN page.
You may update your system with the installed SDK version when the solution to an issue is to run an update, or you may install a patch for the currently installed SDK. If you want to install another version of the SDK, follow the instructions in CAT-DEV System Upgrade
or Update CAT-R Firmware
2013/10/15 Updated for SDK 2.10.03
2013/05/08 Automated cleanup pass.
2013/02/15 Divided long document into multiple html docs