T-Mobile has started rolling out a new update to Samsung Galaxy J7 units on its network. Arriving as version J700TUVU2APK6 and weighing in at over 245MB, the update brings along Android security fixes for the month of December.
In addition, the update includes some other changes as well, including domestic data roaming improvements and IPv4 over LTE international roaming fix.
If you haven't received the update notification yet, be patient as OTA roll outs are usually staged. Alternatively, you can manually check for the update by heading to your handset's Settings menu.