Sprint has started seeding a new firmware update to it’s Sprint bonded HTC 10 units. The latest OTA update for Sprint HTC 10 arrives as firmware version 2.51.651.11 that installs August security patch along some under the hood improvements and system enhancements.
You can directly download and install the Sprint HTC 10 August security patch 2.51.651.11 build by going to Settings > About device > System updates. The HTC 10 August patch weighs a little heavier then usual security patch which means it has brought some extra features and improvements. You need to keep your device charged at 60% before installing the update.