Many customers say their phones have switched to SOS mode, leaving them unable to make calls or use mobile data.

Some T-Mobile customers reported service disruptions Monday afternoon, with many saying their phones entered "SOS" mode and ...

Thousands of T-Mobile customers reported service disruptions on Monday, with many saying their phones displayed an "SOS" ...

Thousands of T-Mobile customers in the United States were reporting service outages Monday afternoon. According to ...

Thousands of T-Mobile customers reported issues with their cell service, mobile data or internet access as a widespread outage swept across the network — and hundreds are still feeling the effects.

Some T-Mobile users are reporting an outage that's left them in SOS mode or unable to make calls.