I got a Switch on 2.1.0 that I barely used (only played Zelda). Now that emuMMC is released I wanted to give it a go. My plan was to use Pegascape, backup the NAND, then use an up to date emuNAND to play games while keeping my sysNAND on 2.1.0 (or at least <= 4.1.0) to retain warmboot...