On most models, the serial number is printed on a white barcode sticker located on the underside of the console.
Use the digital lookup method by navigating to System Settings > Other Settings > Profile > System Serial Number .
If your 3DS is lost or stolen, law enforcement or pawn shops will ask for the serial number. You cannot perform a "GPS lookup" with a serial number (Nintendo does not offer public tracking), but you can register it with local police databases. If the thief tries to sell it to a reseller like GameStop, serial numbers are checked against a national database of stolen goods. Nintendo 3ds Serial Number Lookup
If the external sticker has worn off, use these secondary methods:
The serial number is a unique string of characters (usually starting with letters like CW, YW, or QW) located in different places depending on the model. 1. Physical Sticker Location (All Models) On most models, the serial number is printed
On the original 2DS (the wedge-shaped model), the primary serial number is on the back, but a secondary, internal verification number exists inside the battery compartment. This is used by repair techs to verify the case hasn't been swapped.
: Look for a white sticker with a barcode on the bottom of the system. If the sticker is missing or faded, a duplicate is often located inside the battery compartment; you must remove the battery to see it. You cannot perform a "GPS lookup" with a
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The serial number will be displayed directly above the current firmware version string. Decoding 3DS Serial Number Prefixes
Your console's unique ID is also linked to other important data: