It's peculiar how a simple number and letter can cause the price to skyrocket when added to the end of a phone's name. But that's exactly what the term "4G" does -- ultimately, making a phone or tablet compatible with a carrier's next-generation network seems to add value (and cost) in unthinkable ways. There's a growing concern in the mobile industry; Sprint's WiMAX 4G coverage, once a novelty in the United States, is now just one of the boys. It faces direct competition against its two (much larger) LTE brethren in Verizon and AT&T, and the Now Network is searching for other methods of utilizing its high-speed offerings. In doing so, the carrier wants to keep the value high without escalating the expense.
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