Surface Pro 3 March 26th 2015 updates
The following updates will be listed as “System Firmware Update – 3/26/2015” when you view your update history.
Note
When Surface updates are provided via the Windows Update service, they are delivered in stages to Surface customers. As a result, not every Surface will receive the update at the same time, but the update will be delivered to all devices. If you have not received the update then please manually check Windows Update later.
- Surface Pro UEFI (v3.11.760.0) adds support for enterprise disk encryption, enhances the advanced configuration settings for device security, and adds configurable support from the Windows OS for provisioning scenarios.
See: http://www.eightforums.com/tablet-touch/34733-surface-pro-3-pro-2-pro-firmware-driver-packs.html
and
Surface Pro 3 update history