I'm hoping for free Tidal premium plan and discounted Hifi plan. But it will probably end up being something like zero rated and discounts on both plans.
There's a new update out (G920PVPU4CPL3). In the description on the phone, it says something about "battery usage optimization", along with the usually security updates.
Another security patch is out: https://support.sprint.com/support/article/Find-and-update-the-software-version-on-your-Samsung-Galaxy-S-6/WServiceAdvisory_542_GKB85263-dvc8870001prd?INTNAV=SU:DP:OV:UG:SamsungGalaxyS632gb:FindAndUpdateTheSoftwareVersionOnYourSamsungGalaxy