Some very interesting news from Eurasia concerning the release of a new Homebrew bootloader for the Nintendo 3DS, heres the release notes:
Derrek, profi200, d0k3 have released a homebrew bootloader for the Nintendo 3DS that is similar to android's fastboot. Quote: 'fastboot3DS is a bootloader for the 3DS console, intended to be installed to the FIRM0 partition. It allows you to assign homebrew in .firm format to bootslots, and to chainload bootslots via either a bootmenu or a button combo of your choosing. fastboot3DS also contains basic tools for NAND backups and restores.