Fix iOS 15 No Service Issue After Upgrade, Here’s How

Here’s how to fix iOS 15 No Service issue after the upgrade of the firmware on your compatible iPhone device.

There’s good news and bad news as far as Apple and iOS 15 are concerned. The good news is that iOS 15 is now out in the public domain and is theoretically available to any and all who want to get the latest and greatest version of iOS and who have a compatible device.

The bad news is that there are millions of people all over the world peppering Apple’s servers, which is causing some issues with the reliability and stability of the download.

If you have managed to get your hands on iOS 15 and are suddenly experiencing a “No Service” issue on the device, then you are probably right to attribute that error to the upgrade. Here are some things that you can try to get your connection to your carrier back up and running.

Airplane Mode

As the old cliche goes, just turn it off and back on again. You can disconnect from your network by switching the Airplane Mode feature on and off to force the phone to reconnect to your network.

Restart the iPhone

Quite simply, turn your iPhone off – and we do mean power it right down – give it about 30-second and then power it back on.

Check the SIM card

If you have just installed a new version of iOS and things break, then it’s very likely that the update is the problem. With that said, coincidences do exist and we shouldn’t rule them out entirely. Remove the SIM card tray from the device, remove the SIM card, and give it a shake and a clean and then reinsert it to see if that works.

Reset Network Settings

This is the second worst-case scenario option but you may need to head into General > Reset > Reset Network Settings and confirm the decision. Keep in mind that this decision will remove all of your network settings and reset them back to factory defaults.

Restore the device

If resetting the network settings is the second worst-case scenario, then this really is the nuclear, last-ditch, hail Mary option. You simply may need to entirely restore the device back to factory settings, which means entirely removing all data and settings from the device and then setting everything up again.

Contact Apple

If you run out of ideas, sometimes Apple is the only way to go. You can visit an Apple Store, call a representative, or use the iPhone or iPad Apple Support app and chat online. However you do it, reach out to Apple and explain the situation. They’ll set you right.

You may also like to check out:


You can follow iPhoneFirmware.com on Twitter, add us to your circle on Google+ or like our Facebook page to keep yourself updated on all the latest from Apple and the Web.