Check the "Pack WAD" box and download IOS36 v3351 .
By creating IOS236, your Wii gains a dedicated environment with read/write access to its internal memory. This allows you to install custom firmware elements like Priiloader, cIOS (Custom IOS), and external USB loaders without overwriting your console's core system files. Prerequisites & Requirements
The installer will display a text-based wizard. Read the warnings carefully. ios236 installer wii
The IOS236 Installer takes a clean copy of Nintendo’s official , applies the Trucha Bug patch, and installs the modified version into an unused slot: Slot 236 . Why Slot 236?
The number “236” is not a native Nintendo IOS version; rather, it is a (typically IOS236) created by copying and patching IOS36. This new slot resides at index 236 to avoid overwriting critical system IOS versions. Check the "Pack WAD" box and download IOS36 v3351
By installing a patched version of an older, vulnerable IOS into a new, empty slot (236), the community effectively built a backdoor. This backdoor is never used by the normal system menu, so it remains untouched and unpatchable by Nintendo. Other homebrew programs can then request to use IOS236 as their base IOS. Because the Trucha bug is present in this custom IOS, those programs gain the ability to modify system files, install new WADs, and patch other slots (like 249, 250, etc.) with custom cIOS. This "chain" is the fundamental process behind most traditional Wii softmods.
Before running the installer, ensure you have the following ready: Prerequisites & Requirements The installer will display a
: It gives homebrew applications the permission to read and write to the Wii's NAND storage.
