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Agreed with @First that you may need to change how your mobile content is being delivered. It can be tricky: Your best bet would be to rel-canonical that mobile page back to your non-mobile version - that combined with proper mobile delivery (by user agent) is the ideal solution. Cindy Krum has a good article on that combo approach here: http://www.mobilemoxie.com/2011/03/mobile-seo-the-canonical-tag/