Avast Mobile Security is available as both a free and paid product. The paid product, Avast Mobile Security Premium, requires a subscription to use. A subscription purchased via Google Play Store or the App Store activates automatically on the device you use to make the purchase. If you purchase your subscription through another Avast sales channel, such as the Avast Store, you need to manually activate the app using a valid activation code or your Avast Account.
Activate subscription
To activate Avast Mobile Security Premium using an activation code:
- Tap the Avast Mobile Security icon on the Home screen of your device. The app opens.
- Tap Account, then select the Subscription panel.
- Select Use an activation code.
- Type or paste your activation code (including hyphens) into the text box, then tap Continue.
Account, then select the Subscription panel. 
Troubleshoot activation issues
If you experience any activation issues:
- Ensure you have correctly entered your activation code correctly, including hyphens.
- If activation using your activation code still doesn't work, try following the instructions to activate using your Avast Account.
If your issues persist, refer to the following articles:
Activate subscription
To activate Avast Mobile Security Premium using your Avast Account:
- Tap the Avast Mobile Security icon on the Home screen of your device. The app opens.
- Tap Account, then select Sign in.
- Enter your Avast Account credentials, then tap Continue.
Troubleshoot activation issues
If you experience any activation issues, check that your Avast Account is registered to the email address that you used to purchase Avast Mobile Security Premium. If you used a different email address for purchase, you can add this email address to your Avast Account. For detailed instructions, refer to the following article:
If your issues persist, refer to the following articles:
Activate subscription
If you want to start using your subscription on a new device, or if you reset your existing device, you can restore your Avast Mobile Security Premium subscription via Google Play Store:
- Ensure you are signed in to Google Play Store with the same Google Account that you used to purchase your subscription. For instructions on how to verify this, refer to the following Google Play Help article: Google Play Help ▸ How to add & use accounts in the Google Play Store on your device.
- Tap the Avast Mobile Security Premium icon on the Home screen of your device. The app opens.
- Tap Account, then select the Subscription panel.
- Select Restore from Google Play.
The app automatically retrieves and activates your Avast Mobile Security subscription from Google Play Store.
Troubleshoot activation issues
If you experience any activation issues, refer to the following articles:
Activate subscription
To activate Avast Mobile Security Premium using an activation code:
- Tap the Avast Mobile Security icon on the Home screen of your device. The app opens.
- Tap Settings (the gear icon), then select the Subscription panel.
- Select Enter activation code.
- Type or paste your activation code (including hyphens) into the text box, then tap OK.
Your Avast Mobile Security Premium subscription is now active.
Troubleshoot activation issues
If you experience any activation issues:
- Ensure you have correctly entered your activation code correctly, including hyphens.
- If activation using your activation code still doesn't work, try following the instructions to activate using your Avast Account.
If your issues persist, refer to the following articles:
Activate subscription
To activate Avast Mobile Security Premium using your Avast Account:
- Tap the Avast Mobile Security icon on the Home screen of your device. The app opens.
- Tap Settings (the gear icon), then select Sign in.
- Enter your Avast Account credentials, then tap Sign in.
Your Avast Mobile Security Premium subscription is now active.
Troubleshoot activation issues
If you experience any activation issues, check that your Avast Account is registered to the email address that you used to purchase Avast Mobile Security Premium. If you used a different email address for purchase, you can add this email address to your Avast Account. For detailed instructions, refer to the following article:
If your issues persist, refer to the following articles:
Activate subscription
If you want to start using your subscription on a new device, or if you reset your existing device, you can restore your Avast Mobile Security Premium subscription via the App Store:
- Ensure you are signed in to the App Store with the same Apple ID that you used to purchase your subscription. For instructions on how to verify this, refer to the following Apple Support article: Apple Support ▸ Sign in with your Apple ID.
- Tap the Avast Mobile Security icon on the Home screen of your device. The app opens.
- Tap Settings (the gear icon), then select the Subscription panel.
- Select Restore from App Store.
The app automatically retrieves and activates your Avast Mobile Security subscription from the App Store.
Troubleshoot activation issues
If you experience any activation issues, refer to the following articles:
Further recommendations
To learn more about how to use Avast Mobile Security Premium, refer to the following articles:
- Avast Mobile Security Premium 23.x for Android
- Avast Mobile Security Premium 23.x for iOS
- Google Android 8.0 (Oreo, API 26) or later
- Apple iOS 14.0 or later
- Compatible with iPhone, iPad, and iPod touch
Updated on: 02/06/2022
