# FAQ entries tagged #Add friend button

The Add friend button can't be used to add LINE official accounts that have been blocked by/hidden from the LINE app, or if the LINE official account has already reached the maximum number of friends.

To set the Add friend button, you need a LINE official account ID. For details about creating a LINE official account, see the LINE Official Account Help page (opens new window).

Yes, you can delete LINE official accounts from your friend list in the LINE app.

Depending on the browser policy, the Social Plugin's "Like" and "Add Friend" buttons may not work on the mobile version of the browser. This is a problem, not only for LINE Social Plugins, but also for all similar services, and it can be solved by changing the settings of the mobile app.

[Chrome settings]

  1. Mobile device settings > Select Chrome app > Set Chrome as default browser app
  2. For iOS, go to settings > Select Chrome app > Allow Cross-site tracking
  3. Launch the Chrome app > Select the kebab menu (three-dot icon) next to the omnibox (address bar) > select settings > select content settings (iOS) or site settings (Android) > Turn off Pop-up blocker

[Safari settings]

  1. Mobile device settings > Select Safari app > Set Safari as default browser
  2. For iOS, go to Settings > Select Safari App > Allow Cross-site Tracking
  3. Mobile device settings > Select Safari app > Turn off Pop-up blocker

There are currently issues with the "Like" and "Add friend" buttons not working properly due to the Safari browser's policy changes. This issue is occurring with similar services as well, and not just with LINE Social Plugins.

We are closely keeping track of this issue so that it can be resolved as soon as possible.

However, note that the following configuration will allow you to use the "Add Friend" button in the Safari browser.

[PC Safari setting]

  1. Safari > Preferences > Privacy > Website tracking: Undo "Prevent cross-site tracking"