If cellular data is not working on your iPhone, there are several ways to potentially resolve the issue.

If you're a Verizon customer and your phone is stuck in SOS mode, here's how you can find out if you're affected by the outage.

With a few easy adjustments, you can instantly improve your Wi-Fi and Cellular Data performance and get things running smoothly again.

If you want to fix the SOS displaying on your phone, here's what to do. But the issue may lie with your carrier.

Phone and Android users can reduce Wi-Fi calling battery drainage through settings adjustments, background app limits and ...