An Android 4.2.1 Jelly Bean based firmware for the Galaxy S3 has leaked online.

Sprint has started rolling out the Android 4.2.1 Jelly Bean update for the Galaxy Nexus in the United States.

Google has pushed Android 4.2.1 to AOSP, along with pushing the updates to the Galaxy Nexus and Nexus 7 as well.

Google has started rolling out the Android 4.2.1 Jelly Bean update for the Nexus 4 and the Nexus 10 that fixes the December bug.