Unscrew the back plate or battery cover using a small Phillips screwdriver (#00).
If your 3DS is lost or stolen, Nintendo Support advises filing a report with your local law enforcement. You can also try to contact Nintendo. They cannot track a console's location on their own, but they can assist law enforcement if a police report is filed.
Located on the bottom outer shell, beneath the game card slot.
The serial number can be found in the following locations: Nintendo 3ds Serial Number Lookup
Finding your Nintendo 3DS serial number is the first step for troubleshooting, warranty claims, or region identification. While Nintendo does not provide a public "lookup tool" to check individual console history, the serial number prefix itself reveals the specific model and region of your device. Where to Find Your Serial Number
: Open the game card slot cover on the bottom of the system. The serial number is printed on a small white sticker inside the slot area. Decoding Serial Number Prefixes
Nintendo has officially ended repair services for several older models, including the original 3DS Unscrew the back plate or battery cover using
The serial number is a critical tool for any owner of a classic 3DS console. Whether you need to start a repair, report a theft, or verify the authenticity of a purchase, knowing where to find and how to use this code is essential. If the sticker is missing, don't forget the number is also stored in the system settings under "Serial Information".
Understanding the code helps with verifying a second-hand purchase. If a console claims to be a "New Nintendo 3DS XL" but has a serial number starting with "CW," you know it's likely a fake or a different model entirely. Fake consoles often have strange software behavior or a limited number of languages, a red flag that should prompt a closer look.
, view your account activity, and select a past purchase. The transaction receipt typically lists the serial number of the system used for the purchase. Nintendo Customer Support: They cannot track a console's location on their
As of 2026, the 3DS family—including the original 3DS, 3DS XL, 2DS, New 3DS, New 3DS XL, and New 2DS XL—is a cherished retro system. However, with faded stickers and secondhand sales, finding this number isn't always straightforward. Why Lookup a Nintendo 3DS Serial Number?
Located on the bottom casing, near the hinge or the cartridge flap. 2. Under the Battery Cover (The Permanent Method)
You can find the number using the 3DSident homebrew tool on a hacked console.
| Prefix | Model | Region | | :--- | :--- | :--- | | | Nintendo 3DS XL | USA | | CC | Nintendo 3DS XL | Canada | | JE | Nintendo 3DS | Japan | | JEM | New 3DS | Japan | | EF | Nintendo 3DS | Europe/Australia | | EM | New 3DS XL | Europe | | SP | Nintendo 2DS | USA | | SA | New 3DS XL - Galaxy | USA | | YW | New Nintendo 3DS XL | USA | | YK | New Nintendo 3DS XL | USA (Black/Turquoise) | | RED | Special Edition (Red) | Variable |