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The Nikon D3000 DSLR camera does not have built-in Wi-Fi and the Nikon WU-1a Wireless Mobile Adapter is not compatible, however, Wi-Fi options are available when using a compatible Eye-Fi card. Compatible 2GB Eye-Fi cards for the Nikon D3000 camera are Eye-Fi Card, Eye-Fi Home, Eye-Fi Share, and Eye-Fi Explore. Eye-Fi cards are for use only in the country of purchase and should be updated to the latest version before use. To learn more please check out page 139 of the D3000 Reference Manual. A free manual can be downloaded from the following link: http://downloadcenter.nikonimglib.com/en/products/18/D3000.html