Today, we’re addressing a common issue that many of us face—a TM SIM no signal error. Whether you’re encountering this problem on an Android device, iPhone, or while you’re abroad, we’ve discussed various methods to resolve the ‘TM SIM no signal’ issue.

TM SIM no signal error on android

Step 1: Check SIM and Mobile Network Settings

  1. Go to SIM card & Mobile Networks in your settings.
  2. Select your SIM (e.g., TM).
  3. Go to Access Point Names (APN) and reset the APN settings.

Step 2: Network Selection

  1. Go to Mobile Networks.
  2. Turn off Automatic Network Selection and switch to Manual Search.
  3. Select your network manually.

Step 3: Enable Data Roaming

  1. Scroll down to Data Roaming and turn it on.

Step 4: Airplane Mode

  1. Turn on Airplane Mode (Flight Mode).
  2. Wait for the network to disconnect completely.
  3. Turn off Airplane Mode to refresh the network.

Step 5: Restart Your Phone

  1. Press the Power Button and select Restart or Reboot.

If none of these steps work, I will share some codes you can try.

Step 6: Use Diagnostic Codes

  1. SIM Check Process
    • Open the dialer on your phone.
    • Type the code in your phone settings (*#*#64663#*#*).
    • Once the screen appears, click on the SIM Detect option.
    • Here, you can check the status of the SIM card where the issue is located.
    • To verify further, insert your SIM card into a different mobile phone and check.
  2. Network Refresh
    • Enter the code (*#*#4636#*#*) to open phone diagnostic settings.
    • Here, you will find the Mobile Radio Power option.
    • If it is turned on, try turning it off and then back on again.
    • After refreshing, your network will reconnect properly.
  3. Software Update
    • Go to your phone settings and select About Phone.
    • Check for any available system updates and install them.
    • Keeping your system software updated can resolve network issues.

Note: After following these steps, your network or TM SIM no signal issue should be resolved. If problems persist, try diagnosing with the code again or consult a technician.

    TM SIM No Signal Error on iPhone

    1. Ensure Good Network Coverage

    • Make sure you’re in an area with strong network coverage.

    2. Toggle Airplane Mode

    • Open the Settings app, turn on Airplane Mode, and wait for a few seconds.
    • Turn Airplane Mode off again.

    3. Enable LTE

    • Open the Settings app, tap on Mobile Data, then tap Mobile Data Options.
    • Tap on Voice and Data and select LTE.

    4. Check for Network Provider Updates

    • Open the Settings app, tap General, and then tap About.
    • If a network carrier update is available, follow the prompts to update.

    5. Reset Network Settings

    • Open the Settings app, tap General, scroll down, and tap Transfer or Reset iPhone.
    • Tap Reset, then select Reset Network Settings.
    • Enter your password, and tap Reset Network Settings again to confirm.

    6. Check for Software Updates

    • Open the Settings app, tap General, and then tap Software Update.
    • If an update is available, download and install it. Enter your password if prompted.

    7. Contact Your Network Provider

    • If the issue persists, contact your network provider to verify that your account is active.
    • Ensure your mobile device has not been blocked from receiving data services.

    TM Roaming no signal

    If you’re traveling internationally, ensure your device is set up for data roaming:

    1. Open the Settings app, tap Mobile Data, then select Mobile Data Options.
    2. Toggle on Data Roaming.

    If the issue persists, try the steps outlined above to resolve it.

    TM SIM Roaming Service Availability

    Temporarily Deactivated Roaming Service

    The roaming service is temporarily deactivated in the following countries: Benin, Burundi, Gambia, Mongolia, Mozambique, Pakistan, and Swaziland.

    Roaming Services Still Available

    You can still use roaming services (text and incoming calls), except for outgoing calls, in these countries:

    Asia & Middle East

    Azerbaijan, Bahrain, Bangladesh, Bhutan, Brunei, China, Fiji, Guam, Guinea, Iran, Iraq, Jordan, Maldives, Micronesia, Mongolia, Nauru, Nepal, Palestine, Saipan, Sri Lanka, Taiwan, Uzbekistan, Yemen

    America

    Argentina, Barbados, Bermuda, Bolivia, Brazil, Chile, Colombia, Costa Rica, Cuba, Dominica, Dominican Republic, Ecuador, Greenland, Grenada, Haiti, Honduras, Jamaica, Mexico, Nicaragua, Panama, Paraguay, Peru, Puerto Rico, Venezuela

    Europe

    Albania, Armenia, Belarus, Belgium, Bulgaria, Denmark, Estonia, Faroe Islands, Finland, France, Georgia, Gibraltar, Guernsey, Iceland, Ireland, Isle of Man, Jersey (North of France), Latvia, Liechtenstein, Lithuania, Macedonia, Malta, Moldova, Norway, Poland, Portugal, Romania, Russia, San Marino, Serbia, Slovakia, Slovenia, Sweden, Switzerland, Ukraine, United Kingdom

    Africa

    Algeria, Andorra, Angola, Benin, Bosnia, Botswana, Burkina Faso, Burundi, Cameroon, Cape Verde, Central African Republic, Ethiopia, Gabon, Ghana, Guinea, Guinea-Bissau, Kenya, Lesotho, Liberia, Libya, Madagascar, Malawi, Mali, Morocco, Namibia, Niger, Nigeria, Senegal, Seychelles, Sierra Leone, South Africa, Sudan, Swaziland, Tanzania, Togo, Tunisia, Uganda, Zambia

    Conclusion

    And there you have it, tech enthusiasts. By following these steps, you can troubleshoot and fix a TM no service SIM card. Don’t let a glitch in your SIM card disrupt your connectivity.

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