Hi all!
Welcome to another new TUT!
It is important to backup your Nintendo Switch Nand every now and again, or when installing risky home-brew or upgrading or downgrading firmware and such.
The reason why is because a backup of your Nand is like taking a snapshot of your switch's state, so if you brick it in the future, or happen to cop supernag (i have a tutorial on getting rid of this on the way by the way!) you can easily restore an old backup and be on your way!
There is no hardware required apart from an SD card which is more than 32GB, so i recom