Our parents had that new car smell. We have something else. After the unboxing videos are filmed, and we tell the world on Facebook we have the latest smartphone, people settle down at their computers and hit the “update smartphone” button. Over a gentle coffee and our first read of the manual, the bugs, flaws, and errors that have been found in the OS between the phone being packed in the factory and picked up in the store are overwritten by the latest build of the OS being downloaded.
Software Bugs are a Regular Part of Smartphone Life for Windows Phone and Android users - Forbes