: Select the "Backup" option (usually a green arrow pointing to an SD card).
: It is highly recommended to store keys.bin and nand.bin in multiple safe locations, such as a cloud drive or external hard drive, rather than leaving them only on your Wii's SD card. BootMii Backup | Wii Hacks Guide keys.bin wii
The "keys.bin" file contains cryptographic keys essential for certain homebrew applications on the Wii. These keys are used for decryption and encryption processes, facilitating communication between the console and homebrew software. Essentially, they help ensure that data exchanged between the Wii and homebrew apps remains secure and properly authenticated. : Select the "Backup" option (usually a green