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

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

1 Restart

  1. Hold down the power button on your Android device.
    Android Phone with power button highlighted.
    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.
    If the menu does not pop up, continue to hold the power button, and your Android device will shut off.
  3. Wait 30 seconds.
    Wait 30 Seconds
  4. Push and hold the Power button for a few moments, and your Android device will start back up.
    Android Phone with power button highlighted.

? What happens once the phone restarts?

  1. The No SIM error has gone away
  2. I am still receiving a No SIM message

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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
  1. Hold down the power button on your Android device.
    Android Phone with power button highlighted.
    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.
    If the menu does not pop up, continue to hold the power button, and your Android device will shut off.
  3. Wait 30 seconds.
    Wait 30 Seconds
  4. Push and hold the Power button for a few moments, and your Android device will start back up.
    Android Phone with power button highlighted.

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.
  2. Select Data usage.
    Settings with Data usage highlighted.
  3. 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.
  2. Under Wireless & networks, select More.
    Settings with More highlighted.
  3. Select Cellular networks.
    More wireless and network settings with Cellular networks highlighted.
  4. Set Data roaming to On.
    Wireless and networks with Data roaming highlighted.
  5. 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.

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.
  2. Under Wireless & networks, select More.
    Settings with More highlighted.
  3. First, make sure Airplane mode is Off.
    Wireless and networks airplane highlighted.
  4. Select Cellular networks.
    Wireless and networks with Cellular networks highlighted.
  5. Select Network operators.
    Cellular network settings with Network Operators highlighted.
  6. 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.

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.

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.
  2. Press and hold the power button untill your phone turns back on.
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