Antitrust officials at the DOJ are poised to block the deal between the two wireless carriers, days after the FCC announced it planned to approve the merger.
Over the past four years, T-Mobile has become the fastest-growing carrier in the U.S., passing Sprint for the number-three spot behind AT&T and Verizon, and has more than doubled customers and significantly expanded its network.
T-Mobile has co-opted an existing Verizon ad campaign and is offering Verizon customers a free two-week trial in hopes of luring them away from the provider.
Hoping to compete with competitors like Verizon and AT&T, T-Mobile is creating deals for business that include GoDaddy.com domains and family discounts.
The idea is to pre-install Google's electronic payment service on phones, as the companies seek to counter Apple Inc's recent entry into the nascent market for mobile payments.