Quick Reboot is a 3DS homebrew application that can quickly reboot your 3DS.
Installation
Latest builds contains a .3ds, .cia file,.3dsx and smdh files (for ninjhax) or with DownloadMII.
Or you can build from source on your computer and run BUILD.BAT (your system has to be properly configured or it won't build anything).
User guide
This homebrew has implemented a security check: if this homebrew gets booted with the L button held, it doesn't reboot.
This is useful if you opened Quick Reboot by accident.
Controls
Hold L (while launching) - Stop Quick Reboot
Media