Due to a flaw in how iPhones process the text in the drop down notification area, it is possible to crash any iPhone by sending them a single text with non-standard characters.
If you copy and paste the following characters and send them in an iMessage, SMS, WhatsApp, or any message that makes the iPhone banner notification drop down appear, you will crash that person’s iPhone.
effective. Power لُلُصّبُلُلصّبُررً ॣ ॣh ॣ ॣ 冗
Warning: If you send this text without the English words at the start, it can make it very difficult for users to open iMessage and access their texts from you.
This flaw was discovered by Reddit users and appears to be effective on all Apple devices tested including the newest 8.3 version of iOS.
If you wish to protect yourself, there is a quick fix you can do to stop this affecting your device.