Latest Samsung firmware
This page lists every official firmware Samsung has released for the Samsung SM-T817V, newest first. The latest build is T817VVRU2DQE1 for USA (Verizon) (VZW) (Android 7.0, built 24 May 2017). Pick your country or carrier to see the builds for your region, then open a firmware to download it for free or at full speed with a Premium account.