Troubleshooting Avast Mobile Security Premium activation issues

If Avast Mobile Security does not detect your valid Premium subscription and the app displays the License not found message when you try to restore your subscription, follow the steps in this article to resolve the issue.


The steps below may vary according to your device model, operating system version, and vendor customizations.

Clear Google Play Store data by following these steps:

  1. Open your device Settings and go to Apps.
  2. Select Google Play Store.
  3. Tap StorageClear Data (or just Clear Data). If prompted, tap OK to confirm.
When you clear Google Play Store app data, all your settings for this app are removed.
  1. Tap the Google Play Store icon on your device's Home screen to open the app. If prompted, accept the Terms of service.
  2. Tap the Avast Mobile Security icon on your device's Home screen to open the app, then tap Upgrade in the top-right corner.
  3. Tap (three dots) in the top-right corner and select Restore license.

Your Avast Mobile Security Premium subscription should now be recognised.


If clearing Google Play Store data did not resolve your issue, follow these steps to connect to a correct Google Account and restore your purchase:

  1. Uninstall Avast Mobile Security from your Android device.
  2. Tap the Google Play Store icon on your device's Home screen to open the app.
  3. Tap the icon (three lines) in the top-left corner of the screen.
  4. If the account that you are currently logged in to is not the account you used during your purchase, follow either step below:
    • At the top of the screen, tap the icon for the Google Account you used during purchase to switch to this account.
    • If you don't see the correct account listed, follow the instructions in the section Switch between accountsSwitch accounts on the Google Play website on a mobile device in the article below from Google Play Help:
If you do not remember which account you used for your purchase, tap AccountPurchase history to see a list of subscriptions assigned to the currently selected Google Account.
  1. Install and open Avast Mobile Security.
  2. Tap Get StartedUpgrade Now.
  3. Tap (three dots) in the top-right corner and select Restore license.

Avast Mobile Security should now detect your subscription.

Further recommendations

If, after performing all steps from the instructions above, the app still does not detect your subscription, proceed as follows:

  • Join the Avast Android beta program to install the latest beta version of Avast Mobile Security and perform again steps 5.-7. from the troubleshooting instructions above.
  • Contact Avast Support by following these steps:
    1. Open Avast Mobile Security and tap (three lines) in the top-left corner.
    2. Scroll down and tap Help & Support.
    3. Tap FAQs 5 times.
    4. Provide your email address and a detailed description of your issue. Then, tap Submit Message.

An Avast Support representative will contact you as soon as possible.

  • Avast Mobile Security 6.x for Android
  • Google Android 5.0 (Lollipop, API 21) or higher

Was this article helpful?

Yes No

Need additional help?

Contact us