"Millions Left in the Dark: T-Mobile Outage Hits Thousands in the US A widespread outage hit T-Mobile on Monday, leaving thousands of users without service. According to Downdetector.com, a website that tracks internet outages, the issue affected a significant number of customers across the US. The cause of the outage remains unknown, but it's the latest in a string of technical issues to plague the wireless carrier in recent months. As users took to social media to express their frustration, T-Mobile has yet to comment on the extent of the outage or when service is expected to be restored."
T-Mobile was down for thousands of users in the US on Monday, according to Downdetector.com.