What to do if operator settings are not updated on iPhone with iOS 12.1.2

Recently, due to a bug in iOS 12.1.2, iPhone users began to notice problems with cellular communications on their smartphones,

calls and Internet access.

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Usually with similar problems in the upper leftthe corner of the iPhone screen displays the message: "No network." In addition, a message appears informing you that the operator settings failed to update. On the smartphone, calls and access to cellular data are not available until they are updated.

Below we will tell you about several ways to solve the problem with cellular communication on the iPhone.

How to solve cellular communication problems oniphone WithiOS12.1.2

There is a temporary solution, which is to change the settings of the iPhone. Not all users will like it, but at least the method works. This is better than nothing.

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  1. Open the applicationSettingson your iPhone.
  2. Selectcellular.
  3. SelectCalls byWi&#8211;Fiand press the switch to enable the function. For some, this may already solve the problem.

  1. Go back and selectData options.
  2. ClickTurn onLTEand selectData only.

In most cases, the problem will be fixed, andcellular services will start working again. However, you will not be able to use Wi-Fi calls and LTE voice messages. For some users, it was enough to change only one of these settings.

You do not need to restart the smartphone for the changes to take effect, but this does not hurt. You can use not forced, but normal reboot.

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Update operator settings

For some users, even after the changesettings message appears on the failed update operator settings. In this case, you should request an update from the operator and, if available, install it. These updates are not part of the software update. Here's how to install them:

  1. Connect your iPhone to a Wi-Fi network if you haven’t done this before.
  2. Open the applicationSettingsand go toMain.
  3. SelectAbout this device, scroll to sectionOperator, wait a moment and if an update appears, clickRefresh.

The update will not be available at all, but it's still worth checking, because it can solve all the problems.

Additional tips

If you tried all the methods, but the problems did not disappear, you can try something else.

  • Force restart iPhone:
    • How to force reboot iPhone XR
    • How to force reboot iPhone Xs and Xs Max
    • How to force reboot iPhone X
    • How to force a reboot on iPhone 8 and iPhone 8 Plus
  • Reset the network settings on the iPhone, but note that after that you will have to re-enter passwords from Wi-Fi networks to connect.
  • If calls on iPhone work, but mobile Internet does not, use tips on how to solve Internet problems.
  • Back up your iPhone and then restore it.
  • Check if the iOS update is available and install it.
  • Contact your service provider and / or Apple Support if none of this helps.

Most likely, the problems arise due to a bug inlatest version of iOS and it will be fixed in the next update. However, we don't know when it will be released. When this does happen, don't forget to open Settings and change the options back.