T-Mobile has released a software update for the HTC 10 on its network, the update mainly includes security fixes.
The software update for the HTC 10 comes with Google’s April security patch for Android, this fixes a number of vulnerabilities in the Android OS.
Before you proceed, please confirm that this software upgrade to 2.41.531.44 is a newer version than what is currently loaded on your device. If it is the same version, there is no need to reload the software. Navigate to the Home screen then tap All apps > Settings > About and locate the Software version . If your Software number is less than 2.41.531.44 , you should proceed with the upgrade.
The update has been released as an over the air update for the HTC 10 and it comes with the versions number 2.41.531.44.
It looks like the update is being rolled out in stages so it should be available for your T-Mobile HTC over the next few days, you can check to see if it is available from the settings menu.