On Monday, a widespread T-Mobile US Inc. (NASDAQ:TMUS) outage disrupted mobile service for thousands of customers across the U.S., prompting the carrier to acknowledge the issue after hours of mounting complaints.
T-Mobile Customers Report Widespread Service Disruptions
T-Mobile customers across the U.S. reported losing mobile service in the afternoon.
Outage-tracking platform Downdetector began showing a spike in T-Mobile outage reports around 4 p.m. ET, with more than 140,000 users reporting issues.
Downdetector users have reported issues with T-Mobile since 4:00 p.m. ET, with more than 140,000 reports submitted.
— Downdetector (@downdetector) July 27, 2026
Comment below if you’re experiencing issues too #TMobileDown pic.twitter.com/4W64lr4910
Although the volume of new reports later began to ease, thousands of users continued to report disruptions through the evening.
Read Also: Slower Subscriber Growth Sends T-Mobile Stock Lower After Mixed Quarter
T-Mobile Breaks Silence on Nationwide Outage
After remaining silent for several hours, T-Mobile acknowledged the issue in a statement posted on X.
“Our teams are actively working on the reports of technical challenges impacting some customers,” the company said.
“Any service impacts are in the process of being resolved and are our highest priority. We know how critical it is to stay connected and every available resource is focused on resolving this as quickly as possible.”
Our teams are actively working on the reports of technical challenges impacting some customers. Any service impacts are in the process of being resolved and are our highest priority. We know how critical it is to stay connected and every available resource is focused on resolving…
— T-Mobile (@TMobile) July 27, 2026
The wireless carrier did not disclose what caused the outage or provide an estimated timeline for a full restoration of service.
Customers Turn to X and Reddit as Outage Continues
As the disruption persisted, frustrated customers flooded X and Reddit with complaints, while “T-Mobile outage” began trending on the social media platform.
Meanwhile, outage-monitoring service StatusGator indicated the disruption appeared to be nationwide and also affected providers that rely on T-Mobile’s network, including Mint Mobile and Boost Mobile.
🚨 There's a nationwide T-Mobile outage ongoing in the US.
— StatusGator (@statusgator) July 27, 2026
The outage affects not only T-Mobile itself but all downstream providers and MVNOs including @Mintmobile, @googlefi, @MetroByTMobile, and (to some extent) @boostmobile.
All T-Mobile users are seeing No Service, zero… pic.twitter.com/Xk9hWZ18kz
Price Action: T-Mobile US Inc. shares closed Monday down 1.60% at $177.21 and slipped another 0.26% to $176.75 in after-hours trading, according to Benzinga Pro.
According to Benzinga Edge Rankings, TMUS ranks in the 61st percentile for Quality and carries negative ratings across its short, medium and long-term price trends.
Disclaimer: This content was partially produced with the help of AI tools and was reviewed and published by Benzinga editors.
Read Also: T-Mobile’s Stock Recovers After 11% Decline On Mixed Results, Outlook
Photo Courtesy: Koshiro K on Shutterstock.com
