Fix the “Phone Not Registered on Network” Error on Android
Seeing the “Phone Not Registered on Network” error on your Android phone can be frustrating, especially when you need to make a call, send a text message, or use mobile data.
This message usually means your phone is having trouble connecting to your carrier’s mobile network. In some cases, the problem is caused by a temporary network issue. In other situations, an incorrect network setting, SIM card problem, outdated software, or carrier-related issue may be responsible.
Before changing complicated settings, make sure your phone has enough battery power and that you are in an area where your carrier normally provides coverage.
Then follow the steps below in order.
Fix the “Phone Not Registered on Network” Error on Android
The “Not Registered on Network” error occurs when your Android phone cannot properly register with your mobile carrier. Registration is necessary for your phone to access cellular services such as calls, texts, and mobile data.
The exact names and locations of settings can vary depending on whether you are using a Samsung Galaxy, Google Pixel, OnePlus, Motorola, Xiaomi, or another Android phone. However, the general troubleshooting process is similar.
Start with the easiest solutions first. If one method does not resolve the problem, continue with the next one.
Step 1: Restart Your Android Phone
The first thing you should try is restarting your phone. This simple action can fix temporary software and network communication problems without changing any important settings.
Press and hold the Power button until the power menu appears. Depending on your phone, you may need to press the Power and Volume Up buttons together. When you see the menu, tap Restart or Reboot.
Wait for the phone to completely shut down and start again. This may take a minute or two. Once Android loads, check the signal indicator at the top of the screen and try making a phone call.
If the error was caused by a temporary network registration problem, restarting the phone may allow it to establish a fresh connection with your carrier.
Step 2: Turn Airplane Mode On and Off
Another quick way to refresh your phone’s wireless connections is to use Airplane Mode.
Swipe down from the top of your screen to open the Quick Settings panel. Look for Airplane Mode and tap it to turn it on. Wait approximately 20 to 30 seconds, then tap it again to turn it off.
Your phone will disconnect from cellular networks while Airplane Mode is enabled. When you disable it, Android will attempt to reconnect to the available mobile network.
Give the phone a few seconds after turning Airplane Mode off. Check whether your carrier name and signal bars have returned. Then try making a call.
Step 3: Check the SIM Card
A loose, damaged, or improperly inserted SIM card can prevent your phone from registering on the carrier’s network.
Before removing the SIM card, turn off your Android phone. Locate the SIM card tray, which is usually positioned along one of the phone’s edges. Use the SIM ejector tool that came with the phone, or another suitable tool designed for opening the tray.
Carefully remove the SIM card and check it for visible damage, cracks, scratches, or dirt. If necessary, gently wipe the card with a clean, dry, soft cloth.
Place the SIM card back into the tray in the correct position. Make sure it sits properly inside the tray before inserting it into the phone.
Turn your phone back on and wait for the network signal to appear. If the SIM card is damaged or very old, contact your carrier and ask whether you need a replacement SIM.
Step 4: Check Whether Your Carrier Has Network Coverage
Sometimes the problem has nothing to do with your phone. Your mobile carrier may be experiencing an outage, maintenance, or a temporary service disruption in your area.
Check whether other people using the same carrier are experiencing similar problems. You can also check your carrier’s official website or support channels for service-status information.
Move to an area with better reception if possible. For example, if you are inside a basement, parking garage, elevator, or building with thick walls, cellular reception may be weak.
If your phone works normally after moving to another location, poor coverage may have been the reason for the error.
Step 5: Select the Network Operator Automatically
An incorrect network operator selection can sometimes prevent your Android phone from connecting to the correct carrier.
Open Settings and look for Connections, Network & Internet, or a similar option. Select Mobile Networks or SIMs, depending on your phone.
Look for Network Operators or Automatically Select Network. Turn on the option that allows your phone to automatically choose the network.
Your phone may take several seconds to search for available networks. Once automatic selection is enabled, restart the phone and check whether the registration problem has disappeared.
The wording can differ considerably between Android manufacturers, so use the Settings search box if you cannot find the option.
Step 6: Check Your Preferred Network Type
Your phone may also have trouble registering if its preferred network type does not match the networks available from your carrier.
Open Settings, go to Mobile Network, Connections, or SIMs, and look for Preferred Network Type or Network Mode.
Depending on your device, you may see options such as 5G/4G/3G/2G, 4G/3G/2G, or similar choices.
If your phone is currently set to a mode that does not work properly in your area, selecting an automatic option that supports multiple network generations can help.
Avoid choosing a network mode randomly. If you are unsure which option your carrier supports, use the automatic or recommended setting provided by your phone.
Step 7: Install Pending Android Updates
An outdated version of Android can occasionally cause problems with mobile network connectivity. Software updates may include fixes for modem, carrier, and connectivity issues.
Open Settings and search for Software Update, System Update, or System Updates. Tap the appropriate option and check for available updates.
If an update is available, connect your phone to Wi-Fi and make sure the battery has sufficient charge. Download and install the update according to the instructions displayed on the screen.
Do not turn off your phone while an update is being installed. After the update finishes, restart the phone and check the network connection.
Step 8: Reset Network Settings
If the previous methods have not worked, try resetting network settings. This can resolve configuration problems affecting cellular connections.
Open Settings and search for Reset Network Settings. On many phones, the option is located under General Management, System, or Reset Options.
Read the warning carefully before confirming the reset. Depending on your phone, this process may remove saved Wi-Fi networks, Bluetooth connections, and mobile network configurations.
This does not normally delete your photos, videos, apps, or personal files. However, you will need to reconnect to Wi-Fi networks and pair Bluetooth devices again.
After the reset is complete, restart your phone and check whether it can register with the mobile network.
Step 9: Check Your SIM or Mobile Account
If the phone still says “Not Registered on Network,” the problem may be related to your SIM or carrier account.
Make sure your mobile account is active and that your service has not been suspended. If you recently changed your SIM, switched carriers, transferred your number, or activated a new plan, the registration process may not have completed correctly.
Contact your carrier’s customer support and explain that your Android phone displays the “Phone Not Registered on Network” message.
The carrier can check whether your SIM is active, whether your number is correctly registered, and whether there is an issue with your account or local network.
Step 10: Test the SIM Card in Another Phone
If possible, place your SIM card in another compatible phone. This test can help determine whether the problem is related to the SIM card or your Android phone.
If the SIM works normally in another phone, your original phone may have a software, hardware, or compatibility problem.
If the SIM does not work in another phone either, the SIM or carrier account is more likely to be responsible.
If you have another working SIM card available, you can also insert it into your Android phone. If the second SIM connects successfully, this provides another useful clue that your original SIM or account needs attention.
FAQs
Why does my Android phone say “Not Registered on Network”?
This message usually means your phone cannot successfully connect or register with your mobile carrier. Network problems, SIM issues, incorrect network settings, software problems, or account-related issues can cause it.
Will restarting my phone fix the network registration error?
It can. Restarting forces the phone to refresh its connection with the cellular network. If the issue is temporary, a restart may resolve it immediately.
Can a damaged SIM card cause this error?
Yes. A damaged, worn, dirty, or incorrectly inserted SIM card can prevent your phone from communicating properly with the carrier.
Does resetting network settings delete everything?
Normally, resetting network settings does not delete personal files such as photos, videos, or installed apps. However, it can remove saved Wi-Fi networks, Bluetooth pairings, and other network configurations.
Why does my phone have signal but still say it is not registered?
Signal bars do not always mean that your phone has successfully registered for cellular service. Your phone may detect a nearby network but still have an issue authenticating or registering your SIM with the carrier.
Should I replace my SIM card?
If your SIM is old, damaged, or fails to work in another compatible phone, contacting your carrier for a replacement SIM may be appropriate. Ask the carrier to check your account and SIM status first.
What if none of these solutions work?
If the problem continues after trying the troubleshooting steps, contact your mobile carrier. If the carrier confirms that your SIM and account are working correctly, the phone itself may require further diagnosis or repair.
Summary
The “Phone Not Registered on Network” error on Android can usually be traced to a temporary network problem, SIM card issue, incorrect network configuration, outdated software, or a carrier account problem. Start by restarting your phone and toggling Airplane Mode. Then check the SIM card, network coverage, network operator settings, and preferred network type.
If the problem continues, install available Android updates and consider resetting network settings. Testing the SIM in another phone can also help identify whether the problem comes from the SIM or the device.
When none of these solutions work, your mobile carrier is the best place to investigate account, SIM activation, or network registration problems.
Once the underlying issue is corrected, your Android phone should be able to reconnect to the cellular network and restore calling, messaging, and mobile data services.