There are ongoing reports of a widespread outage impacting multiple cellphone and internet providers Monday morning. According to Downdetector.com, AT&T, Verizon and T-Mobile users have all experienced issues.

No – in fact, you have no service. The service bars on your iPhone aren't just low, they are completely missing. In place of the bars? "SOS." SOS mode is a way for your iPhone to make emergency calls even when you are completely out of service.

Many iPhone users with Verizon reported their phones were in "SOS mode" on Monday. Here's what that means for you.

Here is some information from Apple Support that may be helpful when the SOS mode is limiting usage for iPhone users, depending on what's causing the issue.

What is Emergency SOS on iPhone? It's a feature that could save your life. Apple's Emergency SOS via satellite feature for iPhone 14 and iPhone 14 Pro works in partnership with Globalstar satellite communications company to use satellite connectivity to put people in touch with local emergency dispatch centers if there is no cellular or Wi-Fi coverage.

This detailed guide with screenshots covers how to use iPhone Emergency SOS via satellite as well as running a test.

Macworld When we take our iPhones out of our pocket to make a call, send a text, or check our email, we expect them to work. When they don’t, it can be a frustrating experience, especially when you can’t get online.