Check the model compatibility
Confirm the faceplate is for the correct 3DS system version
Compare the screw hole positions
Match the button, camera, and speaker cutouts
Verify the size and edge shape
Inspect the color, finish, and texture
Look for official branding or model markings
Compare the internal clip and latch layout
Check whether the faceplate includes the correct rear shell or front cover
Test-fit the plate without forcing it
Confirm the replacement is not for a different Nintendo handheld model