I have no idea if it has been disabled by purpose or if it was simply buggy, but the fact is that, on my LG G2 phone, the " OK Google " keyword wasn't recognized from the Google Now app or even when I was clicking in the search box. The corresponding message didn't appear in the search box neither the microphone icon, even if the option was able and enabled in the parameters of Google Search . mic icon legend from the google help center As this option was working fine on my colleagues' LG G2 phones, I began to dig into the phone and the only difference I had noticed is that the firmware of my phone was a Taiwanese's one when my colleagues' one were European. So I've downloaded a KDZ of the latest European version for the LG G2 16GB here (when I wrote these lines it was D80220D ) and I've followed these instructions to install it on my phone. Now the Google Now keyword is correctly recognized when I'm in the Google Now app or in