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You receive "Unable to contact Trend Micro" error message from your Mobile Security app.


Connect to other type of internet connection
  1. If you are connected to a WiFi, try switching on your Mobile Data.
  2. If you are connected to a Mobile Data, try switching to a WiFi connection.
  3. Try activating again. If the issue persists, proceed to the next step.
Restart your Internet connection
  1. Turn off your wifi or data connection.
  2. Wait for 10 seconds, then turn it back on.
  3. Try activating again. If the issue persists, proceed to the next step.
Clear app cache
  1. Open Settings on your mobile device.
  2. Tap Apps or Applications. It should list the apps on your device.
  3. Look and tap Mobile Security, and then tap Storage.
  4. Tap Clear Cache.

    Clear_Cache_Mobile_Security_for_Android

  5. Try activating again. If the issue persists, proceed to the next step.
Restart your device
  1. Press and hold the power button of your mobile device, and then tap Restart.
  2. Try activating again. If the issue persists, proceed to the next step.
Reinstall Mobile Security for Android

Visit this article to reinstall Mobile Security on Android on your device.

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Error: Unable to contact Trend Micro (Mobile Security for Android)

You receive "Unable to contact Trend Micro" error message from your Mobile Security app.


Connect to other type of internet connection
  1. If you are connected to a WiFi, try switching on your Mobile Data.
  2. If you are connected to a Mobile Data, try switching to a WiFi connection.
  3. Try activating again. If the issue persists, proceed to the next step.
Restart your Internet connection
  1. Turn off your wifi or data connection.
  2. Wait for 10 seconds, then turn it back on.
  3. Try activating again. If the issue persists, proceed to the next step.
Clear app cache
  1. Open Settings on your mobile device.
  2. Tap Apps or Applications. It should list the apps on your device.
  3. Look and tap Mobile Security, and then tap Storage.
  4. Tap Clear Cache.

    Clear_Cache_Mobile_Security_for_Android

  5. Try activating again. If the issue persists, proceed to the next step.
Restart your device
  1. Press and hold the power button of your mobile device, and then tap Restart.
  2. Try activating again. If the issue persists, proceed to the next step.
Reinstall Mobile Security for Android

Visit this article to reinstall Mobile Security on Android on your device.


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