New Black Dot Bug A new text bug on iOs has been found on iPhone and iPad Could crash your computer. This bug causes the Cpu cycles to rise which crushes the system. There are ways to protect your computer from getting the error in the document. Apple users found a new text bag called the “black circle” coming from the WhatsApp version of Android. Once an iPhone user sends or receives a message containing this emoji, this bug happens:. This particular set of symbols also known as a text bug causes freezing and crashing of your iOs device. This problem exists as comments from 9to5Mac because there are thousands of Unicode characters in the strings. Such characters are invisible and Cpu cycles are through to the point where the system freezes or crashes in order to process them. This also ensures that your computer would crash if you have an iOs device and you receive the message containing the emoji.