This guide helps to restore the Internet access of any wii without updating to current firmware. (As of today Wii is operating shop channel on V20). If you want to access youtube or netflix from your wii this guide is the solution.
This 3 steps process will help fix all Black Screens or Error #002 Coming after loading outdated channels that use internet.
#1) Install the wads on this guide using wad manager to IOS 249 or 250 (either one) or Use MMM to do this automatically.
#2) Using Wii's Data Management delete all old channels like (nintendo channel, internet channel, etc)
#3) Download all desired channels from the shopping channel (Internet Channel, Netflix, etc)
Note: Making this update does not interfere with the availability of the USB port for other applications like USB Loader GX.