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 No SIM card detected error happens due to displaced card position, software issue, or SIM network issue. Considering the different causes of the error, here are ...

The iPhone 15 relies on your carrier’s SIM card to connect to cellular networks. A “No SIM Card Detected” error indicates a disruption in this essential process.

Is your iPhone is telling you it doesn't have a SIM card available? Here are some fast and easy things to try before calling your carrier or the Apple Store.

An iPhone produces the 'iPhone Unavailable' message when it's locked out, but there are still ways to unlock your iPhone without losing any of your data.

Seeing 'SOS' on your iPhone in an area with good coverage? Here's how to solve it.

If you've noticed your phone in SOS after a bout of bad weather, you're not alone. Here's what it means and how to troubleshoot the issue.