Mean that actual serial number that follows is very small, so the switch is rather old. Q: The Serial of my Switch begins with four or more zeros, what does it mean?Ī: Those Switches are all unpatched and can be bought without hesitation. These Switches have the new motherboard revision called "Mariko". No informations available, since those are only sold in Korea (?) However, data show a good percentage of unpatched consoles with this prefix. Refurbished Consoles directly from Nintendo. Serials above XAJ70050000000 and above definitely patched Serials above XAJ40083000000 are definitely patched Serials above XAJ10030000000 are definitely patched Serials above XAW70030000000 are definitely patched Serials above XAW40012000000 are definitely patched Serials above XAW10120000000 are definitely patched
Compare your serial here to know if your Switch is patched or not: