This usually happens when the product key was not properly registered to your Norton account. Go to norton.com/setup on a computer, log in, and ensure the key appears under your active subscriptions. Then, on your phone, clear the app data (settings > apps > Norton 360 > storage > clear data) and sign in again.
Now, let's get your mobile device protected. product key for norton 360 mobile link
Strictly speaking, “Norton 360 Mobile Link” is not a standalone product. Instead, it refers to the between your Norton account (usually activated on a PC or Mac) and the Norton 360 mobile app on your smartphone. This usually happens when the product key was