Guys have you checked out the latest update of 4.4.4_r2 on Nexus 5 on Google factory images page ?
It says it's only for 2Degrees/NZ, Telstra/AUS and India ONLY
Link : https://developers.google.com/android/nexus/images
It says it's only for 2Degrees/NZ, Telstra/AUS and India ONLY
Link : https://developers.google.com/android/nexus/images