T-Mobile outage today: Why are thousands of users in US seeing 'SOS' or 'SOS Only' on their phones? Check latest status

T-Mobile SOS outage today: T-Mobile experienced a widespread service outage on Monday affecting thousands of users in California, Georgia, Arizona and Utah in the United States. Many customers reported their phones displayed an "SOS Only" message during the disruption. The wireless carrier acknowledged the technical challenges and prioritized restoring full service.