AT&T has pushed a minor software update for the Galaxy Note 3 (SM-N900A) that comes with build number N900AUCUBMJ5. This update is about to bring the additional performance enhancements and nothing more any major changes to expect. This update is quite similar to Sprint and Verizon update that also includes a re-vamped stock keyboard and might as well includes fixes for garbling sounds when making phone calls. Though there are no official changelog has been addressed yet, but again this update might still brought us same scenario just like happened to Sprint and Verizon Galaxy Note 3 updates that was included some system patches to preventing any root exploit to work.
This MJ5 update is now available via OTA and gained around 27MB in size to download. If your device was rooted with ‘root de la vega’ then you must see to it first on how to kepp your device rooted for you are about to end your root privileged once you took this update.