Coming back to the this update, Samsung Galaxy S6 the update comes with Firmware version G920TUVU5EPK5 is now being rolled out and on Samsung Galaxy S6 Edge the update comes with the Firmware version G925TUVU5EPK5. As this is just a minor update, it doesn’t add any other feature than this security patch. The phone will only get some new features when the Android 7.0 update will roll out on your Galaxy S6 and S6 Edge.
As this is an OTA update, So if you did not get the Update Notification yet, don’t panic it will reach within a couple of days. In meantime you can check it manually by going through the settings of your device. Moreover, T-Mobile subscribers can also download this update file for the Galaxy S6 and the Galaxy S6 edge from T-Mobile firmware section.