Wumiibo is a rewrite of the 3DS' NFC module, that allow for the emulation of amiibo. As Wumiibo does not actually use the NFC hardware, this allows it to work on "old" 3DS family consoles, or consoles with Wireless Communication turned off or disabled.
Turn on Enable loading external FIRMs and modules if it is not already enabled
Press START to save and exit
Usage
Generating amiibo
Power on your console
Launch Wumiibo from the HOME Menu
Select "Generate amiibos for game"
Select a game from the list and then select an amiibo to generate
The amiibo will be generated and is now ready to be used
Registering amiibo
This section is not necessary for all games, but is recommended for full compatibility
Select HOME Menu Settings by tapping on the wrench icon in the top left
Scroll down and tap on "amiibo Settings"
Select "Register Owner and Nickname"
Press L+↓+START to open the Wumiibo Menu
Select Select a figure. -> <TitleID> -> <amiibo name>.bin
Fill in the required details and press Y to save
Wait for the amiibo to save and then press L+↓+START to open the Wumiibo Menu again
Select Force Stop Emulation.
Repeat steps 3 through 8 for the rest of the amiibo you want to register
Using amiibo in games
Launch an amiibo compatible game and navigate to the screen that asks you to place your amiibo on the screen
Press L+↓+START to open the Wumiibo Menu
Select Select a figure. -> <TitleID> -> <amiibo name>.bin
The amiibo will now be emulated, and act as though its always "on" the nfc reader
If the game asks to remove the amiibo, relaunch the Wumiibo Menu and select Force Stop Emulation.
Using real figurines
Wumiibo doesn't work with real figurines, toggle Wumiibo off in order to use them again
Launch Wumiibo from the HOME Menu
Select Toggle Wumiibo State
Press B to reboot
If disabling doesn't work make sure you don't have 2 versions of Wumiibo installed (see "Conflicting Wumiibo versions" in the troubleshooting section)
Repeat steps 1-3 to toggle Wumiibo back on
Configuration
Config file
Wumiibo may be configured with a config file placed at sd:/wumiibo.ini. This can be used to change the button combo needed to open the Wumiibo Menu, or turn on debug mode. A sample config with the button combo set to R+↓+START can be found here.
SD file layout
(root)
luma
sysmodules
0004013000004002.cxi (wumiibo enabled)
wumiibo.cxi (wumiibo disabled)
wumiibo
<title ID>
<amiibo name>.bin
wumiibo.ini
Troubleshooting
Workaround for freezing games
If the game freezes or lags when trying to scan amiibo, try the following workaround:
Navigate to the screen that asks you to place your amiibo on the screen
Press HOME to suspend the game
Press L+↓+START to open the Wumiibo Menu and select your amiibo
Reopen the suspended game
Conflicting Wumiibo versions
With the release of Wumiibo 4.2, Wumiibo has been updated to use CXI-based patching introduced in Luma3DS 13.0, this means you may have two versions of Wumiibo installed to your system:
If you've installed Wumiibo previously, delete the 0004013000004002 folder in sd:/luma/titles/
Resources
More detailed usage and compatibility can be found on the Wumiibo Wiki