These hacks only work with the System Menu 3.2E(v290) or 3.2U(v289). If you have any other version, it will just return to the loader. If you have another version of the System Menu you may consider using [[CIOS_Patchmii_Installer]] to install 3.2X to your console.
This tool does not update any SHA1 hashes or signatures. Currently IOS isn't checking those, but that could be fixed in a future update.