For instance, back in February, it was found that receiving a message with a single character from the Indian Telugu alphabet would crash multiple apps on iOS, including WhatsApp, as well as the iOS Springboard.
As you can see in the screenshots leaked, WhatsApp is now working on the Greeting Message feature, which sends a greeting message to a user either on their first message or after 14 days of inactivity.
WhatsApp has finally started working on the WhatsApp Business app for iOS as well, as a couple of screenshots from the upcoming app have been leaked online. The second message tells you exactly what will happen if you tap on a black dot that is part of the message.
One of these few spam messages read - "This is very interesting", with the "laughing so much I'm crying" emoji.More news: Card Factory PLC (LON:CARD) Ratings Summary as of April 26, 2018
The tricky and awesome part is that how they have managed to hide all these characters and we only see the famous black circle and the message of do not touch here.
How Does The WhatsApp Black Dot Message Work?
Although seemingly brief, the messages contain tens of thousands of invisible "left-to-right" and "right-to-left" control characters that can overload WhatsApp, causing the app to freeze up or the whole mobile operating system to go down. Simply avoid these type of text messages or use another messaging app. Several users are facing issues with the functioning of their Whatsapp messenger after tapping on the message, usually forwarded by friends who want a quick laugh.
Android smartphones with massive processing power might be able to survive the message with just a hanging WhatsApp, but other devices will likely see WhatsApp crash. It is advisable to not click on such buggy messages when received from unknown people. In order to experience the feature, WhatsApp users will need to update their app to version 2.18.138. There are also complaints of Android phones being disrupted by the message bombs.