Verizon appears to be facing a massive outage, affecting customers across the U.S. On Monday, Sept. 30, many Verizon users found that their smartphones are stuck in SOS mode. This means that their device does not have cellular service and can only make emergency service calls.

Verizon confirmed an outage on its X social media account just before 9 a.m. It wasn’t until 2 p.m. that it announced it was making progress in addressing in the issue and said some service was being restored. The issue affected voice, data and text services.

On Monday, Verizon suffered a massive outage that affected customers across the country. While it’s not clear exactly how many customers were without service, Verizon has more than 114 million customers in the U.