The Samsung Galaxy Note 4 on AT&T is now receiving its Android 5.1.1 update. According to our tipster, the download weighs in at 693.32MB in size.
At this time, AT&T has yet to update its support page with all of the specific changes that are included in this build. As with all over-the-air updates, it may take a few more days before the Android 5.1.1 download is available to grab for your AT&T Galaxy Note 4.
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Thanks to Michael for the tip!