Sometimes a strict firewall or a VPN can block the activation server. Try disabling them temporarily during the update process. A Note on "Free" Activation Keys
Double-check that the email you are logged into matches the one used for the purchase. mobidrive activation key upd
The process for activating your key depends on whether you are using a mobile device or a web browser. Activating on Android : Launch the MobiDrive app on your device. Sometimes a strict firewall or a VPN can
MobiSystems does not distribute any standalone “key updater” software. Activation is managed inside the app or via your account page. mobidrive activation key upd