Not registered on network: how to fix on Samsung Galaxy phones

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Alejandra Rangel
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Top 7 Ways to Fix “Not Registered on Network” Error on Samsung Galaxy Phones. Is your Samsung Galaxy phone generating an “Not registered to network” error? Well, know that it doesn't just happen to you. Several Android users have reported similar cases where their phone is unable to connect to the network, so they are unable to make or receive calls or even send messages.


Why does the “Not Registered On Network” error appear?

There can be many reasons why your Samsung Galaxy phone fails to connect to the network, it could be the fault of incorrectly configured network settings or a faulty SIM card.



When you are shown the “Mobile network unavailable” error, you cannot make calls, send text messages or connect to the Internet using your SIM. There are many reasons why the “Not registered to network” error is shown on Samsung Galaxy devices, but the main reason is that the phone does not recognize the SIM card.

If the phone does not recognize the SIM card, the service provider cannot connect to your phone's IMEI and therefore cannot connect to the cellular network. When the Samsung Galaxy device is not communicating with the SIM, you will see the error “Not registered on the network”.


How to resolve the "Not registered on the network" error

This guide applies to all Samsung Galaxy phones. At the end of the same you will be able to solve the problem with the error "Not registered on the network" as long as it is not a hardware failure. In this case, all you have to do is take your phone to a specialized technician or contact the Samsung service center closest to you.



What to do to resolve the “Not registered to network” error on Samsung Galaxy phones

We have described all the possible solutions that should help you resolve the “Not registered on the network” error in this post. Let's start from the fact that you have already restarted the phone, let's talk about the other solutions.

1. Reinsert the SIM

Another valid reason for the “Not registered on the network” error is the SIM inserted incorrectly. Therefore, you should take out the SIM and reinsert it. Also, be sure to inspect the SIM card for any visible damage. Turn off your Samsung Galaxy phone and take out the SIM card. After reinserting the SIM, restart your phone one more time to see if that fixes the error.


2. Select network manually

By default, your Samsung device is configured to automatically find and connect to your carrier's network. For the “not registered to network” error, you can try to manually connect to your mobile network. That's how.

  1. Open the Settings app on your phone and go to Connections. Then, tap on Mobile networks.
  2. Select Network operators and turn off the switch next to Select automatically. After that, your phone should automatically start searching for all available networks.
  3. Locate and choose your carrier from the list.

3. Change your preferred network type

Sometimes, these network registration errors can occur even if you are in an area where the set network type is not available. You will have to switch to a different type of network to fix it. Here's how to do it.


  1. Open the Settings app on your phone, go to Connections and tap Mobile networks.
  2. Select the network mode to choose LTE / 3G / 2G (auto connect). If that doesn't work, try switching to 3G only or 2G only.

4. Update the APN settings

You will get such errors if you have recently changed your service provider or migrated to a different plan with the same carrier. You can try to fix them by manually updating the APN (or access point name) settings. You will need to contact your service provider to get these settings. Once you have the required settings, here's how you can update them.



  1. Launch the Settings app, go to Connections and select Mobile networks.
  2. Then, go to Access Point Names.
  3. Tap Add in the top right corner to create a new APN settings profile. Enter the information provided by your operator and save your APN using the three-dot menu above.
  4. Go back to the access point names and select the APN you just created. Check if this resolves the error.

5. Reset your network settings

If the “Not registered to network” error continues, it's time to reset the network settings. This will delete all saved Wi-Fi networks, paired Bluetooth devices, and reset other network configurations to their default value.


  1. Open the Settings app on Galaxy phones and scroll down to select General Management.
  2. Tap Reset and select Reset Network Settings from the following screen. From there, follow the on-screen instructions to begin the reset process. Your phone may ask you to enter your lock screen PIN. Once done, restart your phone and see if it can connect to a network.

7. Update your phone's software

You can try to update your Samsung phone if you have delayed one. Such network problems and other bugs can also occur due to a bad system update. Updating to a newer build will likely fix the problem.

To get new updates, go to Software Update in the Settings app. Download and install any pending updates to see if your phone can connect to the network.


Connected again

There is no good time to be bothered by such network errors. The above steps should help you connect your phone to a network again. If the problem persists even after applying these fixes, contact your carrier for further assistance.

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