In the “Contacts” section, click on the icon and enter an ID (7XXXXXXXXXX).
You can also ask another user to send you the details of the contact you wish to add.

In the chat, click and select “Contacts”. Select a user and share his/her contact information.

In the “Contacts” section, click on the user you wish to edit. In the menu options that appear, select “Edit”, enter the updated information in the “First name” and “Surname” fields and save your changes.

In the “Contacts” section, enter a contact name in the search bar.

In the “Contacts” section, click on a user and select “Block”/“Unbolck” in the menu options that appear.

In the “Contacts” section, find the user that you wish to delete and select him/her. In the next window, click “Delete contact”.