<i>Sprint does require a “premium data” surcharge for its 4G/WiMax phones, priced at $10.</i><p>As of Jan 2011, the Premium Data fee now applies to all phones with data plans, whether they are 4G or 3G.<p><a href="http://www.zdnet.com/blog/mobile-news/sprint-brings-premium-data-charge-to-all-smartphones/554" rel="nofollow">http://www.zdnet.com/blog/mobile-news/sprint-brings-premium-...</a>