Sprint brings WiFi calling to the Galaxy S4 with an update - 1 views
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John Rich on 09 Apr 14If you haven't noticed I think this Wifi phone thing is big. Why? The remaining 30% of people with dumb phones (late majority & laggards) will want low prices and will have low data needs. This is one way the the carriers could lower their plans (just like Sprint and T-mobile are already doing).