If you're tried of calculating exactly which US carrier gives you the lowest absolute price on any given smartphone, you can start by "blaming" T-Mobile.
Brassy shock-jock CEO John Legere's campaign to position the carrier as the simple, refreshing upstart vis a vis AT&T and Verizon's corporate greed has seen success: T-Mobilehas picked up more competitor customers, and AT&T and Verizon rolled out similar up-front pricing and early upgrade plans of their own.






