How to Fix "No SIM Card Installed" on Android Phone

Authored by: Support.com Tech Pro Team

Encountering the "No SIM Card Installed" error on your Android device can be frustrating, as it prevents you from making calls, sending texts, and using mobile data. This error can occur for various reasons, including issues with the SIM card, the SIM card tray, or software glitches. 

Solving Issues Related to the "No SIM Card Installed" Error

Check the Physical SIM Card

Before attempting any software-related fixes, it's essential to ensure that the physical SIM card is properly inserted and in good condition:

Eject the SIM Card Tray: Use the SIM card ejector tool that came with your device or a paperclip to gently eject the SIM card tray.

Inspect the SIM Card: Examine the SIM card for any visible damage, such as scratches, bends, or cracks. If you find damage, contact your carrier for a replacement SIM card.

Reinsert the SIM Card: Carefully reinsert the SIM card into the tray, ensuring it's properly seated and aligning it with the notch in the tray.

Insert the SIM Card Tray: Slide the SIM card tray back into your Android device.

Restart Your Device: After reinserting the SIM card, restart your Android device to check if the error is resolved.

Toggle Airplane Mode

Toggling Airplane Mode on and off can help reset your device's connection to the cellular network:

Swipe down from the top of the screen to open the Quick Settings menu.

Tap the airplane icon to enable Airplane Mode. Wait for a few seconds, and then tap it again to disable Airplane Mode.

Check if the 'No SIM Card Installed' error persists.

Restart Your Android Device

A simple restart can often resolve network-related issues:

Press and hold the power button until the power menu appears.

Tap "Restart" or "Reboot," depending on your device.

After your device restarts, check if the SIM card is recognized.

Check Mobile Network Settings

Ensure that your Android device is correctly configured to use mobile data and recognize the SIM card:

Go to "Settings."

Scroll down and select "Network & Internet" or a similar option, depending on your device.

Tap on "Mobile network" or "Cellular network."

Verify that "Mobile data" or "Cellular data" is turned on.

Check the "Network mode" or "Preferred network type" settings and ensure they are set to the appropriate mode (e.g., 4G/3G/2G or LTE/WCDMA/GSM).

Reset Network Settings

Resetting your network settings can help resolve issues related to SIM card recognition:

Go to "Settings."

Scroll down and select "System" or "System & updates," depending on your device.

Tap on "Reset" or a similar option.

Select "Reset network settings."

Confirm the reset. Your Android device will restart.

Contact Your Carrier

If none of the above steps resolve the issue, it's possible that there may be an issue with your carrier's network or your account. 

By following these steps, you can troubleshoot and resolve the 'No SIM Card Installed' error on your Android device. In most cases, the issue is related to the physical SIM card or software settings and can be resolved with simple fixes. 

Contact Support.Com:

If you are still having trouble, refer to the step-by-step tutorial below or consider seeking personalized assistance from Support.Com.

Step-By-Step Tutorial for 'No SIM Card Installed' Error Android

1. Introduction

If your Android device displays a "No SIM Card Installed" message, or can't connect to your cellular network or cellular data, the following steps may help resolve these issues for you.

Tools You'll Need:

  • A SIM card removal tool
No SIM card

2. Restart

  1. Hold down the power button on your Android device.
Android Phone with power button highlighted.
  1. Depending on the manufacturer and model of Android device you have, the location of the power button will vary.
  2. Select Power Off.
Power menu with Power off highlighted.
  1. If the menu does not pop up, continue to hold the power button, and your Android device will shut off.
  2. Wait 30 seconds.
Wait 30 Seconds
  1. Push and hold the Power button for a few moments, and your Android device will start back up.
Android Phone with power button highlighted.

3. Enable Cellular Data

Enabling Cellular Data allows your Android Smartphone to tap into the data you pay your provider for. If this is turned off you may not get a connection to your provider at all.

Make sure that you're in an area with cellular network coverage. If you're not within range of your network you may not be able to access your cellular data or you may be charged roaming fees. Check with your cellular provider to determine if you are in an area covered by your cell provider.

Domestic Cellular Data

  1. Open Settings on your phone or tablet.
Android Settings.
  1. Select Data usage.
Settings with Data usage highlighted.
  1. Make sure Cellular data is turned On.
Data usage with Cellular data turned on.

Roaming Cellular Data

If you are out of the country, your cellular provider most likely charges much, much higher rates. Please check with your cellular provider to determine what prices to expect, before you travel.

By default, your Android device disables roaming data, to prevent you from getting really large bills for your data use. If you wish to enable data while roaming, continue below.

  1. Open Settings on your phone or tablet.
Android Settings.
  1. Under Wireless & networks, select More.
Settings with More highlighted.
  1. Select Cellular networks.
More wireless and network settings with Cellular networks highlighted.
  1. Set Data roaming to On.
Wireless and networks with Data roaming highlighted.
  1. Decide to enable roaming or not.
    As a final reminder, turning this feature on may incur significant charges on your cellular bill. Select OK to proceed.
Allow data roaming dialog with OK highlighted.

4. Auto Network Mode

Enabling your Android device to automatically connect to a preferred network allows your smartphone to choose what network it connects to according to your installed SIM Card.

  1. Open Settings on your phone or tablet.
Android Settings.
  1. Under Wireless & networks, select More.
Settings with More highlighted.
  1. First, make sure Airplane mode is Off.
Wireless and networks airplane highlighted.
  1. Select Cellular networks.
Wireless and networks with Cellular networks highlighted.
  1. Select Network operators.
Cellular network settings with Network Operators highlighted.
  1. Select Choose automatically, so your phone will pick your network provider based on what is indicated on your SIM card.
Available networks with Choose automatically highlighted.

5. Power Off

There are different ways to turn off your Android smartphone depending on the model and the version of Android you have installed.

Android Oreo and Newer

  1. Press and hold the power button until the power menu shows.
  2. Tap Power off.
Power Off

Android Nougat and Older

  1. Press and hold the power button until the power menu displays.
  2. Tap Power Off.
Power off dialog with Power off highlighted.

6. Reseat SIM Card

The next step is to re-seat the SIM card your phone uses to get information on how to access your cell provider's network.

If you are not comfortable reseating your sim card, or do not have the SIM eject tool skip the step and answer as such at the bottom.

  1. Eject and re-seat the SIM Card.
Ejecting and seating a SIM card.
  1. Use the SIM eject tool to eject the tray.
  2. Carefully pull the tray out.
  3. Re-seat the SIM, making sure the notch lines up properly with the spot for it.
  4. Push the SIM tray back in till it's flush with the edge of your phone.
  5. Press and hold the power button until your phone turns back on.