PSA: T-Mobile is down, iPhones showing ‘SOS’ mode

Update, 3 p.m. PT: Some T-Mobile users report that service is returning to their iPhones. Others, however, say the outage is ongoing. T-Mobile is down across the United States, and many iPhone users are seeing “SOS” in their device’s status bar. Here’s everything you need to know about today’s T-Mobile outage.

Summary from the 9to5Mac feed. The full story lives on their site.