Here’s why your iPhone is in SOS mode and how to fix it – 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. If you’re away from Wi-Fi, you’re dependent on a cellular connection, and when that isn’t available, you’ll be alerted with an SOS icon in the status bar. Here’s what it means and how you can fix it.