Block Contacts on Whatsapp: Block\/unlock\/delete\/hide contacts in WhatsApp. Check this out for Android, iOS, BlackBerry, Windows Phone phones & tablets. WhatsApp is an ultimate messaging app available for all the popular mobile platforms. We have gone through many of WhatsApp guides and tutorial, some of them are: Hide last seen time, Backup WhatsApp, Restore Chat History and others can be found at WhatsApp tag on our site. If you of your friends are disturbing you on WhatsApp then there is an option to block particular WhatsApp contact. This guide is especially suitable for girls annoyed of an unknown person and other people with whom they want to stay away. Before blocking someone on WhatsApp, one should know what the blocking feature actually does. So here are the details:- \tThe messages sent by blocked contacts will never be shown or delivered to you. \tYour \u201cLast Seen At\u2026\u201d and \u201cOnline\u201d information will not be seen by the blocked contact(s). \tChanges to profile picture will not be seen by the blocked contact(s). \tYou will not be able to send messages to the blocked contact(s). A common query is if the blocked contact will be able to tell if they have indeed been blocked by you. There are certain things that the blocking feature in WhatsApp does not do. Here are the two major ones:- \tYour status message will be visible to blocked contact(s). \tBlocked contact(s) will be still visible in your contacts list and you will be still visible in their contacts list. Block Contacts on WhatsApp Blocking is a feature that is widely used when an individual(s) are consistently bothering someone, in case there is a contact that you don\u2019t want to be associated with ever then deleting the contact is the best option. With that said here is how to block contacts in various phone platforms:- Block WhatsApp Contacts on Android \tOpen WhatsApp, and then go to Chat Screen. \tTap Menu > Settings > Contacts > Blocked Contacts. \tIf you haven\u2019t blocked any contacts previously then there won\u2019t be any contacts listed. The contacts you do block will be added to this list. \tSelect Add Block Contacts on the top right icon. \tSelect the contact you want to block. Block WhatsApp Contacts on iPhone \tIn iPhone, there is a block option available firsthand when a message arrives from a contact that is not in the address book. In this case, you can tap block, which is on the top left and immediately block the contact. \tIf you want to block contacts that are already in the address book then follow the below steps. \tOpen WhatsApp. \tGo to Settings>Chat Settings>Blocked \tTap the + icon on the top right. \tSelect the contacts you want to block and then select Done. Blocking WhatsApp Contacts on Blackberry You can block any WhatsApp contacts on BlackBerry phones, follow the guide mentioned below - \tOpen WhatsApp. \tSelect Settings on the top right (the gear icon). \tSelect Blocked Contacts and add the contacts you want to block. \tUnknown contacts can also be easily blocked, by going to the message of the unknown number, tapping the blackberry button and selecting Block. Blocking on Windows Phone The same thing happens when you are on Windows Phone as well, follow the guide - \tIn the case of unknown number, open the Message. \tTap the three dots (\u2026) in the bottom right corner. \tSelect Block. \tFor known contacts follow the below steps. \tOpen WhatsApp. \tSelect the three dots (\u2026) on the bottom right corner. \tGo to Settings > Blocked Contacts. \tTap the + icon and select the contacts you want to block. Unblock WhatsApp Contacts After blocking certain contacts, you may want to unblock them in the future. Here are the steps how to unblock contacts on WhatsApp in various phone platforms:- Android \tOpen WhatsApp. \tTap Menu > Settings > Contacts > Blocked Contacts \tHere the contacts that have been previously blocked will be listed. \tLong-press the contact you want to unblock. \tSelect Unblock Unlock on iPhone \tOpen WhatsApp. \tGo to Settings>Chat Settings>Blocked \tTap Edit, then Tap the minus sign that is visible in front of the contacts that are blocked. \tTap Delete and then Tap Done. Unblock on Blackberry \tOpen WhatsApp \tSelect Settings on the top right corner (the gear icon). \tSelect Blocked Contacts. \tSelect the contacts you want to unblock. \tPress the blackberry icon button on the phone. \tChoose Unblock. Unblock on Windows Phone \tOpen WhatsApp \tSelect the three dots (\u2026) on the bottom right corner. \tSelect Settings>Blocked Contacts. \tLong-press the contact you want to unblock. \tSelect Delete. If you have any trouble or question do let us know via comments. We will provide our best help to resolve the issue. You can also read our list of 10 best WhatsApp alternatives.