A simple iMessage can turn your iPhone into an unusable brick according to a Google security research project which has just disclosed the methodology behind the attack. Here's what you need to know, and what you need to do next to make sure your iPhone doesn't fall victim to this attack.
Most Apple users update their iPhones compare to Android users.
I make sure I update my iPhone right the minute it comes out.
I read a couple posts to make sure it is bug free.
Impossible to be 99% free.
Always make sure when you upgrade be in one place preferably at your home WiFi if you are doing it OTA.
Apple in general pretty quick with patches.