If you can't see their 'Last Seen' status, it might mean they've blocked you. Messages with one gray checkmark could mean they blocked you, but it's not for sure. You can't add them to group chats if ...

Discover the subtle clues and practical tips to help you determine if someone has blocked you on WhatsApp If you can't see their 'Last Seen' status, it might mean they've blocked you. Messages with ...