The latest Android device to get the March security update is the BlackBerry Priv, the update is being released for both the AT&T and T-Mobile versions of the handset.
Both AT&T and T-Mobile have started to roll out the March security update for BlackBerry’s Android smartphone, you can see more details from BlackBerry on the update below.
BlackBerry has released a security update to address multiple vulnerabilities in BlackBerry powered by Android smartphones. We recommend users update to the latest available build, as outlined in the Available Updates section.
BlackBerry releases security bulletins to notify users of its Android smartphones about available security fixes; see BlackBerry.com/bbsirt for a complete list of monthly bulletins. This advisory is in response to the Nexus Security Bulletin (March 2016) and addresses issues in that bulletin that affect BlackBerry powered by Android smartphones.
The Android March security update should be available for your BlackBerry Priv as of now, you can check to see if it is available from the settings menu.