Samsung Galaxy S6 Active owners will be thrilled to hear that AT&T is finally pushing out the Marshmallow update. After waiting for quite some time, the update is finally ready to be downloaded over-the-air on your phone. Following the update, you'll be able to take advantage of the great new features, like Doze, enhanced permission controls and more.
If you haven't already received notification of the update, you can check manually for it in the Settings. Head down to About phone, and then check for the update to see if it is ready for your phone. Once you have it downloaded and installed, head into the forums and let us know how it is working out for you.