The longer term issue will be the extent to which 4G networks enable new application and revenue models 3G has not. The focus on tablets, though partly practical (suppliers have not yet begun to produce 4G smartphones in great variety), might also suggest the ways 4G could underpin a new wave of development based on connected devices more than traditional smartphones.
A tablet would round out Sprint's portfolio of 4G wireless products, which is crucial to sustaining momentum as its rivals ramp up their own next-generation wireless efforts. It could also potentially offer Sprint a unique halo product to rally behind following the successful launch of two 4G smartphones, which has spurred the company's turnaround, the Wall Street Journal says.
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