Dish Network has hurled new claims of ‘Uncarrier behavior’ at T-Mobile USA. Having previously fallen out over the latter’s shutdown of its CDMA network, the new bone of contention is midband spectrum. The new mobile entrant, which took over Sprint’s Boost Mobile prepaid division when Sprint was acquired by TMO, wrote in a filing with the FCC earlier this month: “As T-Mobile celebrates the one-year anniversary of its acquisition of Sprint, it is clear that the company’s world view has transformed to that of an entrenched incumbent commensurate with its newfound size and scale. During its earlier life as the ‘Un-Carrier,’ T-Mobile championed policies that promoted competition, diverse spectrum ownership, and efficient spectrum use. How quickly things change.” Prior to…