T-Mobile US (TMUS) Reports Q4 Profit Decline

T-Mobile US Inc. (TMUS) reported a 12% year-over-year decline in Q4 net income to $1.41 billion, ending a year in which the company posted a net loss of $2.25 billion. The results reflect continued pressure from lower wireless data traffic and rising network infrastructure costs. For the quarter, revenue rose 5% to $29.5 billion, driven by higher ARPU and new 5G connections. CEO Mike Jones stated in a press release that the company is investing in network expansion and cost optimization to improve margins in the coming quarters.