Updating with wiibrew
After a few seconds, the installer prompts you to press 1 on the Wii remote.If you're using Bannerbomb, use the same procedure to install DVDx, which uses the Wii as a DVD player (if you install media-playing software such as MPlayer CE). After you exit, an indicator shows that the SD card is loading.The idea is that you can install apps that Nintendo does not officially approve of.There are two ways to install new homebrew games and applications onto your Wii.
To determine which version of the operating system the Wii runs, go to Wii Options and select Wii Settings.
The operating system version number appears in the upper-right corner.
If the Wii runs version 4.3, use the Letter Bomb method; if the Wii runs version 4.2 or earlier, use the Bannerbomb method.
You are responsible for any problems that arise from installing Wii homebrew software. It's also possible that installing homebrew software could void your warranty.
Be aware, too, that Nintendo updates to the Wii may break your Homebrew Channel (or brick your Wii), so don't update the Wii system after installing Homebrew.Like Mplayer CE, it actually plays more video formats than the Play Station.