In the “Contacts” section, press 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, press and select “Contact”. Select a user and share his/her contact information.

In the “Contacts” section, click on the user you wish to edit. Press in the menu → Edit name.

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

Select a user in the “Contacts” section. Under “Chats in common”, you will see which chats you are both included in.

Select a user in the “Contacts” window. Select in the menu → Block/Unblock.

Press and hold a user in the “Contacts” section for the option to “Delete”.