Having a carrier-locked phone can make it difficult if you want to sell your phone or move carriers. Here are a few ways to ...

If you see the SOS Only message pop up on your iPhone, a simple restart or toggling Airplane mode on and off can help fix the ...

The feature is only available in the U.S., Australia and Canada. "When SOS appears in your iPhone status bar, it means a cellular network is available for emergency calls," the company says.