New software updates are currently rolling out for the AT&T variants of the Samsung Galaxy S6 Edge+ and the LG K10. If you own either one of these devices, then you will be seeing the update notification.
The update for the Galaxy S6 Edge + installs the November Android security patch. It also brings support for new Mobile Hotspot APN. The build number is G928AUCU4EQK6 and it can weigh between 395MB to 435MB.
Apart from the November security patch, your device will also see some improvement in network performance. Fixes for the BlueBorne and the KRACK Wi-Fi vulnerabilities are also included. Thus, this is an important update. The carrier released similar update for the Galaxy S8 and S8+ as well.
As for the LG K10, the update installs the October Android security patch and also includes fixes for the BlueBorne and KRACK Wi-Fi bugs. The software version is K42520f, build number is NRD90, and it weighs 39MB in size.
Before installing the update, make sure your device has more than 50 percent battery life remaining, and is also connected to a strong/stable Wi-Fi network. Read more about the updates at the official AT&T site over here, and here.