To activate and view additional add-ones on top of your existing package benefits, please follow these steps:   1. Navigate to Line Services in Zain App: Once you are logged in, navigate to the Line Services section within the app. This section will allow you to view and manage additional services and select the one that suits your needs.     2. Subscribe: Once you have selected the desired package, the service benefits will appear, so you can subscribe and confirm.   3. Confirmation and Activation: After completing the subscription process, you will receive a confirmation message.   4. Manage Your Packages: You can view and manage your subscribed services within the app. This includes checking the remaining data balance, validity, and any other relevant details. You can also make changes to your subscriptions from a service if needed. By following these steps, you can easily activate and view additional internet packages on top of your existing benefits, allowing you to enjoy a customized experience that suits your usage requirements.