AT&T wireless begins to roll out February 2017 month security patch update for Samsung mobiles. These devices are getting the latest patch update – Galaxy Note 4, Note 5 and S5 Active. For galaxy note 4 the firmware update comes with build number MMB29M.N910AUCS2EPK4. The download size will be in 137MB. Te note 5 users will receive the update in 167MB size and also brings new build number MMB29K.N920AUCS4CQB2.
Finally the galaxy s5 active is getting the update in MMB29M.G870AUCS2DPK5 and download weighs in 187MB. The carrier will push this security update through FOTA for all users. If your handset is eligible then the automatic FOTA update will hit your device. Once you have installed the latest security update you can verify it from Settings menu.