Just last week, we told you how a single character "text bomb" was able to crash your iPhones, Macs, and other Apple devices. Receiving the character will crash whatever messaging app sees the character, forcing you to force-close the app.
Following the glitch's discovery, pranksters had used the symbol on social media, private messages and even Uber's app to cause problems. If you're near your computer, you can simply connect your device to iTunes and download via the iTunes desktop app however, if you're going wire-free, simply follow the instructions below...
With iOS 11 apparently plagued by numerous stability issues, a careful rethink of Apple's update deployment strategy seems to be in order.
When an Apple user gets a message with the virus text the device will completely shut down. In terms of the software release timeline, this is iOS 11.2.6, the 11th update to the latest version of the operating system.
It's not ideal, but it should serve as a temporary fix until Apple or Twitter issue a formal bug fix. You can check the security update contents of macOS High Sierra 10.13.3 supplement update from here.