It seems that simply blocking the connections to nintendo is preventing the console from crashing while it still is connected to the internet with the erased serial number
Updated to 17.0.1, and noticed that having a blank serial isn't supported anymore. For now, i'm using it in airplane mode. I've also applied the emummc.txt file for dns redirection (90dns).
I've used incognito.nro to erase the serial only on cfw years ago, if i boot stock i can see that the...