T-Mobile down: Why SOS mode is showing up on your phone

T-Mobile experienced a widespread service outage across the United States on Monday. According to Downdetector, tens of thousands of users reported disruptions to their network connectivity. Many affected customers, particularly those using iPhones, observed their devices entering SOS mode in the status bar. These reports of service issues emerged throughout Monday afternoon, confirming that a large number of T-Mobile users were unable to access standard network services during this period of disruption.