By default, any group participants can change the icon, subject, description or send messages. However, a group admin can change the group settings to allow only admins to edit the group info or send messages.

To change the group settings for editing group info:

1. Open the WhatsApp group chat, then press Options > Group info.
   • Alternatively, select the group in your chats list. Then press Options > Group info.
2. Select Edit group info, then press EDIT.
3. Choose to allow All participants or Only admins to edit the group info.
4. Press OK.

To change the group settings for sending messages:

1. Open the WhatsApp group chat, then press Options > Group info.
   • Alternatively, select the group in your chats list. Then press Options > Group info.
2. Select Send messages, then press EDIT.
3. Choose to allow All participants or Only admins to send messages.
4. Press OK.