Originally Posted by Sk84all20
can i flash that on the i317
Absolutely! I wouldn't have recommended it otherwise.
It also has the WiFi calling built in.
Just chose everything for att and I believe you'll be fine. If not install for T-Mobile... But I'm pretty sure with your setup att should be your choice.
Just be aware that the aims installer is a bit buggy and you may have to install twice
--》Sent from my mind to your screen