How T-Mobile’s Network Performance Compares to the Competition
Customer retention is majorly affected by changes in a mobile carrier’s network performance. In 4Q17, T-Mobile’s YoY (year-over-year) postpaid phone churn rate looked better at 1.2% than it did at 1.3% in 4Q16. T-Mobile’s management claims that the company continues to have the fastest nationwide 4G LTE (fourth-generation long-term evolution) network in the United States (SPY).