According to a recent report the Samsung Galaxy Note 2 4.2.2 Jelly Bean update has been delayed, the update has also apparently been delayed for the Samsung Galaxy S3, and it is apparently because of Samsung’s TouchWiz UI.
This has yuet to be confirmed by Samsung, and was announced on twitter by Sammobile, who have been correct on a number of Samsung devices in the past, you can see the tweet below.
@SamMobiles
Samsung delayed 4.2.2 for Note II and S III. Reason new TW for S III and Note II.
Samsung are apparently working to get the Android 4.2.2 Jelly Bean update ready to be released for the Samsung Galaxy S3 and the Samsung Galaxy Note 2, as soon as we get some details on when the update will land we will let you guys know.
Source Into Mobile