WiiKey 2 firmware update procedure

To play New Super Mario Brother Wii game backup on a WiiKey 2  modded Wii machine, WiiKey 2 need to update its firmware to 1.3.

Step 1, Download the firmware update and config disk ISO file.

Step 2, Burn the ISO file to a DVD disk.

Step 3, Put the disk into Wii and load the program.

wiikey2-fw-update-1

The current FW is 1.2 “Asgard Core”. There is a notice to upgrade the firmware to 1.3.

Step 4,  Hold down reset button for 3 seconds to upgrade firmware.

wiikey2-fw-update-2

wiikey2-fw-update-3

After the upgrade procedure complete, reboot Wii.

Step 5,  After reboot, and go into the program, it is Config page.

wiikey2-fw-update-4

The information shows the firmware version is 1.3, Odyssey.

Confirm everything is OK, then reboot and reject the disk.

Here is a link for USA version Wii. It is not compatible with Japan version or others.