To activate Norton 360 on your mobile device, you typically do not need a new product key if you already have an active subscription. Instead, you can "link" your device by signing into your existing account. How to Find or Use Your Key

: Check your purchase confirmation email or log in to your account. Retail Store

Service Providers: You may have an activation PIN instead; contact your provider or log in to their portal to retrieve it. Activating Norton 360 on Your Mobile Device

You can link your mobile device to an existing plan without re-entering a key:

Strictly speaking, “Norton 360 Mobile Link” is not a standalone product. Instead, it refers to the connection process between your Norton account (usually activated on a PC or Mac) and the Norton 360 mobile app on your smartphone.

The "Mobile Link" feature typically allows:

Here’s why: