MetroPCS posted some subscriber addition metrics ahead of its full Q3 report: The carrier managed gross additions of approximately 671,000 subscribers, an increase of 16.6 percent from this time last year. Churn increased to 5.2 percent, just a 0.2 percent increase year-on-year. The carrier finished the quarter with about 3.66 million subscribers.

For more on the carrier's subscriber adds:
- read this press release
- see this metric chart