Android 4.4.2 released days after Android 4.4.1 for Nexus devices
Several users across the internet were reporting issues loading Android 4.4.1 on their Nexus devices. If you found problems with Android 4.4.1 or haven't grabbed the update, Android 4.4.2 should be hitting your Nexus device over-the-air any time now.
3 New Android 4.4 KitKat Update Details for Nexus Users
Android 4.4.2 (KOT49H) heads to Nexus devices with quick bug fixes
Google rolls out Android 4.4.2 KitKat with fixes for buggy previous version