Root AT&T Galaxy Note 2 on Android 4.3 UCUBMK6 Official Firmware – How to
In the past couple weeks, Samsung has been rolling out Android 4.3 Jelly Bean
update to various devices including Samsung Galaxy S3 and the Galaxy
Note 2. The latest update brings the performance improvements and
features of Android 4.3 JB, especially Samsung’s KNOX security tool and Reactivation Lock.
Here is how you can root Galaxy Note 2 on Android 4.3 UCUBMK6 Jelly Bean official update.