But before you stress, know that there are often easy fixes that can quickly get you back online and connected. Whether ...

Not sure if your iPhone supports eSIM? Here’s how to check compatibility and set it up for a seamless wireless experience.

If the SIM card is dirty, clean it ... Refreshing your phone's network settings is one way to do that. But be forewarned, resetting your network settings will also reset any saved Wi-Fi passwords ...

Your SIM card and its connection to your carrier ... 4. Go to Reset mobile network settings. If there are multiple SIM cards on your phone, choose one to proceed. 5. Tap Reset settings and confirm ...

Power down the phone, then replace the old SIM card with a SIM from a different network. Check that the iPhone is able to connect a phone call over the new network. That’s the short version ...

In a user's desktop or laptop computer, the counterpart of the line card is a circuit on the motherboard or a plug-in network card (see network adapter). THIS DEFINITION IS FOR PERSONAL USE ONLY.