How to activate an Avast Mobile key?

Activating Avast Mobile key is really simple, just follow these steps: 

1. Click on the Avast Mobile Security icon on the Home screen of your device. 
2. Tap Upgrade.
3. Tap the ⋮ icon (three dots) -> Already purchased?.
4. Choose Redeem an activation code.
5. Enter your activation code (including hyphens) into the text box, then click on Use this code.
6. Your Avast Mobile Security Premium subscription is now active.  

The key is not working 

If you have activated the key according to the guide but the code appears not to work, please check what type of error message you receive and depending on it follow the appropriate instructions:

• My key is Duplicated / Already used
• My key is Invalid
• My key is region locked / can't be activated in my country
• My key activated a different product
• My key did not activate all of the content