If the SIM card has become dislodged or damaged, your iPhone might not be able to connect to your carrier’s network, which would prevent you from making phone calls on your iPhone. Check out our other article to learn how to fix SIM card issues! Reset Network Settings The SIM card is the small piece of technology that connects your iPhone to your wireless carrier’s network. Make sure to check out our other article if you have any issues updating your iPhone! Tap Download and Install if a new software update is available.

Apple regularly releases these updates to improve your iPhone’s performance, fix bugs, and roll out new features.

A pop-up will usually appear within ten seconds if a new carrier settings update is available.Īfter checking for a carrier settings update, go to Settings -> General -> Software Update to see if a new iOS update is available. You can also manually check for a carrier settings update by going to Settings -> General -> About. Most of the time, you’ll know a carrier settings update is available because a pop-up will appear on your iPhone saying Carrier Settings Update. These updates generally improve your iPhone’s ability to connect and stay connected to your carrier’s cellular network. To turn your iPhone back on, press and hold the side button until the Apple logo appears.Īpple and your wireless carrier occasionally release carrier settings updates. Then, swipe the power icon left to right to turn off your iPhone. iPhone X and later models: Simultaneously press and hold either volume button and the side button until slide to power off appears on the display.Wait a few seconds, then press and hold the power button again to turn your iPhone back on. Swipe the power icon from left to right to shut down your iPhone. iPhone 8 and earlier models: Press and hold down the power button until you see slide to power off appear on the display.

The process for restarting your iPhone depends on which model you have: Turning off your iPhone allows its programs to shut down naturally and get a fresh start when you turn your iPhone back on. If your iPhone does have service and won’t make phone calls, follow the list of troubleshooting steps below! Restart Your iPhoneįirst, let’s rule out a really minor software problem by restarting your iPhone. Check out our other article to learn how to fix the “No Service” problem on your iPhone. If your iPhone says “No Service”, that’s probably the reason why it can’t make phone calls. Take a look at the upper left-hand of your iPhone’s display. We also can’t rule out the possibility of an issue with your cell service.

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