Android 4.2.2 Lands On ‘yakju’ Galaxy Nexus; Manually Install If Not received
To install it manually, if haven’t received it yet. Follow these things:
First download file from here, this file can only be used if you are on JOP40D (Android 4.2.1). To flash, install via custom recovery, use “adb sideload <filename>” from stock recovery, or try the Google Services Framework trick (hasn’t worked for me). You’ll also find a root file at the XDA thread below.