X Back up After Brief Outage Hits US Users, Downdetector Shows

Teenagers pose for a photo while holding smartphones in front of a X logo in this illustration taken Sept. 11, 2025. Dado Ruvic/ReutersElon Musk’s social media platform X was back up after a brief outage affected more than 19,000 U.S. users on Sunday, according to outage tracking website Downdetector.com.The outage lasted about 45 minutes and was largely resolved by 12:04 p.m. ET, the website said