Anyone buying a used Nintendo Switch 2 could be in for a nasty surprise, as some used consoles that are permanently blocked from playing online are already in circulation. Not even a factory reset can resolve this issue.https://www.notebookcheck.net/Caution-when-buying-a-used-Nintendo-Switch-2-Error-code-makes-consoles-almost-unusable.1042663.0.html
I can simply say, fvck Nintendon't!