Hey there! We are always working to get the latest updates to your phone. I am sorry this is taking a bit longer than normal but you can keep an eye on the SW updates page here for all the latest. https://support.t-mobile.com/docs/DOC-38176#steps2
More even than the security update, unlocked versions got that update with major camera improvements over a month ago...I think Verizon is the only US carrier to have released it, like 2 weeks ago.
(Not that the camera is subpar in any way, but that update with camera stuff was announced back in September and haven't heard a whisper over here)