In response to iOS Messages app crashing bug, Apple today has actually posted a support file detailing steps to briefly fix the concern.
The bug, which was discovered yesterday, crashes Messages app and in some circumstances reboots the device after a specific set of unicode string characters are gotten on the recipient’s device.
Apple understands an iMessage problem dued to a particular series of unicode characters and we will make a fix offered in a software upgrade. Till the upgrade is readily available, you can make use of these steps to re-open the Messages app.
Apple had currently validated in a different statement previously that they are working on an irreversible fix which will certainly be rolled out soon, likely next week as part of iOS 8.4 release.
In the meantime, if you are affected by this bug, this is what Apple officially suggests as temporary fix:
Step 1: Tap and hold your Home Button to launch Siri.
Step 2: Ask Siri to “read unread messages.”
Step 3: Now use Siri again to reply to the message’s sender. Once Siri has successfully sent the reply, you will be able to open the Messages app again.
Step 4: Launch Messages app.
Step 5: Swipe left to right to delete the entire thread. Alternatively, you can also just delete that particular message by tapping and holding on the message in question, tap More, and then delete the particular message from the thread.
In addition to this, you can also follow our own guide which consists of lots of other repairs of getting around this issue: The best ways to Deal with iOS Text Crash Bug.