Google just released a minor update from 4.2 to 4.2.1 which offers some minor improvements.
Support was added to gamepad/joystick as HID devices. This will allow you to hook up your favorite game system controller and enjoy it on your Galaxy Nexus!
Google has also rebuilt parts of Android that should give you a tad bit more better battery life and buttery smoothness.
Go ahead and flash this stock ROM on your Galaxy Nexus GSM, Verizon or Sprint using the links below!
Download 4.2.1 Stock ROM for Galaxy Nexus GSM
Download 4.2.1 Stock ROM for Galaxy Nexus Verizon
Download 4.2.1 Stock ROM for Galaxy Nexus Sprint
Credits - GSM, Verizon, & Sprint
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