T-Mobile has released a software update for the BlackBerry Priv on their network and the update is a security update.
The update for the Blackberry Priv on T-Mobile includes the January security update for Android and it should be available for you device as of now.
You can check to see if the update is available for your handset by going to Apps > Settings > About Phone on your device.
The software comes with the build number AAI459 and it keeps the handset on Android 6.0.1, you can find out more details at the link below.
[Source:-Geeky Gadgets]