Wii:USB Loader GX

Homepage
USB Loader GX Enhanced is now the official USB Loader GX release. It is available on Github at https://github.com/wiidev/usbloadergx.

Description
USB Loader GX allows you to play Wii and GameCube games from a USB storage device or an SD card, launch other homebrew apps, create backups, use cheats in games and a whole lot more.

Installation

 * 1) Extract the apps folder to the root of your SD card and replace any existing files.
 * 2) Install the d2x v11 cIOS.
 * 3) Optional: Download wiitdb.xml by selecting the update option within the loaders settings menu.
 * 4) Optional: Install the loaders forwarder channel (https://github.com/wiidev/usbloadergx/raw/updates/USBLoaderGX_forwarder%5BUNEO%5D_Wii.wad Wii] or vWii) and then set the return to setting to  UNEO.

cIOS guide
The first configuration is the optimal one for the Wii, but the second configuration should improve compatibility.
 * For Wii
 * For vWii and Wii